//PLL顶层排列调整(21种情况)
 public void PLL(Cube cube)
 {
     int flag = 0;
     while (!(cube.front[0, 0] == cube.front[1, 1] && cube.front[0, 1] == cube.front[1, 1] && cube.front[0, 2] == cube.front[1, 1] && cube.right[0, 0] == cube.right[1, 1] && cube.right[1, 0] == cube.right[1, 1] && cube.right[2, 0] == cube.right[1, 1] && cube.back[2, 0] == cube.back[1, 1] && cube.back[2, 1] == cube.back[1, 1] && cube.back[2, 2] == cube.back[1, 1] && cube.left[0, 2] == cube.left[1, 1] && cube.left[1, 2] == cube.left[1, 1] && cube.left[2, 2] == cube.left[1, 1]))
     {
         //PLL1
         if (cube.back[2, 0] == cube.back[1, 1] && cube.back[2, 1] == cube.back[1, 1] && cube.back[2, 2] == cube.back[1, 1] && cube.right[0, 0] == cube.right[1, 1] && cube.right[1, 0] == cube.left[1, 1] && cube.right[2, 0] == cube.right[1, 1] && cube.front[0, 0] == cube.front[1, 1] && cube.front[0, 1] == cube.right[1, 1] && cube.front[0, 2] == cube.front[1, 1] && cube.left[0, 2] == cube.left[1, 1] && cube.left[1, 2] == cube.front[1, 1] && cube.left[2, 2] == cube.left[1, 1])
         {
             cube.R(cube, 1);
             cube.u(cube, 1);
             cube.R(cube, 1);
             cube.U(cube, 1);
             cube.R(cube, 1);
             cube.U(cube, 1);
             cube.R(cube, 1);
             cube.u(cube, 1);
             cube.r(cube, 1);
             cube.u(cube, 1);
             cube.R(cube, 2);
         }
         //PLL2
         else if (cube.back[2, 0] == cube.back[1, 1] && cube.back[2, 1] == cube.back[1, 1] && cube.back[2, 2] == cube.back[1, 1] && cube.right[0, 0] == cube.right[1, 1] && cube.right[1, 0] == cube.front[1, 1] && cube.right[2, 0] == cube.right[1, 1] && cube.front[0, 0] == cube.front[1, 1] && cube.front[0, 1] == cube.left[1, 1] && cube.front[0, 2] == cube.front[1, 1] && cube.left[0, 2] == cube.left[1, 1] && cube.left[1, 2] == cube.right[1, 1] && cube.left[2, 2] == cube.left[1, 1])
         {
             cube.R(cube, 2);
             cube.U(cube, 1);
             cube.R(cube, 1);
             cube.U(cube, 1);
             cube.r(cube, 1);
             cube.u(cube, 1);
             cube.r(cube, 1);
             cube.u(cube, 1);
             cube.r(cube, 1);
             cube.U(cube, 1);
             cube.r(cube, 1);
         }
         //PLL3
         else if (cube.back[2, 0] == cube.back[1, 1] && cube.back[2, 2] == cube.back[1, 1] && cube.right[0, 0] == cube.right[1, 1] && cube.right[2, 0] == cube.right[1, 1] && cube.front[0, 0] == cube.front[1, 1] && cube.front[0, 2] == cube.front[1, 1] && cube.left[0, 2] == cube.left[1, 1] && cube.left[2, 2] == cube.left[1, 1] && cube.right[1, 0] == cube.left[1, 1] && cube.front[0, 1] == cube.back[1, 1] && cube.left[1, 2] == cube.right[1, 1] && cube.back[2, 1] == cube.front[1, 1])
         {
             cube.R(cube, 2);
             cube.L(cube, 2);
             cube.D(cube, 1);
             cube.R(cube, 2);
             cube.L(cube, 2);
             cube.D(cube, 2);
             cube.R(cube, 2);
             cube.L(cube, 2);
             cube.D(cube, 1);
             cube.R(cube, 2);
             cube.L(cube, 2);
         }
         //PLL4
         else if (cube.back[2, 0] == cube.back[1, 1] && cube.back[2, 2] == cube.back[1, 1] && cube.right[0, 0] == cube.right[1, 1] && cube.right[2, 0] == cube.right[1, 1] && cube.front[0, 0] == cube.front[1, 1] && cube.front[0, 2] == cube.front[1, 1] && cube.left[0, 2] == cube.left[1, 1] && cube.left[2, 2] == cube.left[1, 1] && cube.right[1, 0] == cube.front[1, 1] && cube.front[0, 1] == cube.right[1, 1] && cube.left[1, 2] == cube.back[1, 1] && cube.back[2, 1] == cube.left[1, 1])
         {
             cube.U(cube, 1);
             cube.r(cube, 1);
             cube.u(cube, 1);
             cube.R(cube, 1);
             cube.u(cube, 1);
             cube.R(cube, 1);
             cube.U(cube, 1);
             cube.R(cube, 1);
             cube.u(cube, 1);
             cube.R(cube, 1);
             cube.U(cube, 1);
             cube.R(cube, 1);
             cube.U(cube, 1);
             cube.R(cube, 2);
             cube.u(cube, 1);
             cube.r(cube, 1);
             cube.U(cube, 1);
         }
         //PLL5
         else if (cube.back[2, 0] == cube.back[1, 1] && cube.back[2, 1] == cube.back[1, 1] && cube.back[2, 2] == cube.right[1, 1] && cube.right[0, 0] == cube.front[1, 1] && cube.right[1, 0] == cube.right[1, 1] && cube.right[2, 0] == cube.front[1, 1] && cube.front[0, 0] == cube.back[1, 1] && cube.front[0, 1] == cube.front[1, 1] && cube.front[0, 2] == cube.left[1, 1] && cube.left[0, 2] == cube.left[1, 1] && cube.left[1, 2] == cube.left[1, 1] && cube.left[2, 2] == cube.right[1, 1])
         {
             cube.R(cube, 2);
             cube.F(cube, 2);
             cube.r(cube, 1);
             cube.b(cube, 1);
             cube.R(cube, 1);
             cube.F(cube, 2);
             cube.r(cube, 1);
             cube.B(cube, 1);
             cube.r(cube, 1);
         }
         //PLL6
         else if (cube.back[2, 0] == cube.back[1, 1] && cube.back[2, 1] == cube.back[1, 1] && cube.back[2, 2] == cube.front[1, 1] && cube.right[0, 0] == cube.left[1, 1] && cube.right[1, 0] == cube.right[1, 1] && cube.right[2, 0] == cube.back[1, 1] && cube.front[0, 0] == cube.right[1, 1] && cube.front[0, 1] == cube.front[1, 1] && cube.front[0, 2] == cube.right[1, 1] && cube.left[0, 2] == cube.left[1, 1] && cube.left[1, 2] == cube.left[1, 1] && cube.left[2, 2] == cube.front[1, 1])
         {
             cube.R(cube, 1);
             cube.b(cube, 1);
             cube.R(cube, 1);
             cube.F(cube, 2);
             cube.r(cube, 1);
             cube.B(cube, 1);
             cube.R(cube, 1);
             cube.F(cube, 2);
             cube.R(cube, 2);
         }
         //PLL7
         else if (cube.back[2, 0] == cube.left[1, 1] && cube.back[2, 1] == cube.back[1, 1] && cube.back[2, 2] == cube.right[1, 1] && cube.right[0, 0] == cube.front[1, 1] && cube.right[1, 0] == cube.right[1, 1] && cube.right[2, 0] == cube.back[1, 1] && cube.front[0, 0] == cube.left[1, 1] && cube.front[0, 1] == cube.front[1, 1] && cube.front[0, 2] == cube.right[1, 1] && cube.left[0, 2] == cube.front[1, 1] && cube.left[1, 2] == cube.left[1, 1] && cube.left[2, 2] == cube.back[1, 1])
         {
             cube.R(cube, 1);
             cube.b(cube, 1);
             cube.r(cube, 1);
             cube.F(cube, 1);
             cube.R(cube, 1);
             cube.B(cube, 1);
             cube.r(cube, 1);
             cube.F(cube, 2);
             cube.l(cube, 1);
             cube.B(cube, 1);
             cube.L(cube, 1);
             cube.F(cube, 1);
             cube.l(cube, 1);
             cube.b(cube, 1);
             cube.L(cube, 1);
         }
         //PLL8
         else if (cube.back[2, 0] == cube.back[1, 1] && cube.back[2, 1] == cube.back[1, 1] && cube.back[2, 2] == cube.right[1, 1] && cube.right[0, 0] == cube.front[1, 1] && cube.right[1, 0] == cube.left[1, 1] && cube.right[2, 0] == cube.back[1, 1] && cube.front[0, 0] == cube.front[1, 1] && cube.front[0, 1] == cube.front[1, 1] && cube.front[0, 2] == cube.right[1, 1] && cube.left[0, 2] == cube.left[1, 1] && cube.left[1, 2] == cube.right[1, 1] && cube.left[2, 2] == cube.left[1, 1])
         {
             cube.R(cube, 1);
             cube.U(cube, 1);
             cube.r(cube, 1);
             cube.u(cube, 1);
             cube.r(cube, 1);
             cube.F(cube, 1);
             cube.R(cube, 2);
             cube.u(cube, 1);
             cube.r(cube, 1);
             cube.u(cube, 1);
             cube.R(cube, 1);
             cube.U(cube, 1);
             cube.r(cube, 1);
             cube.f(cube, 1);
         }
         //PLL9
         else if (cube.back[2, 0] == cube.back[1, 1] && cube.back[2, 1] == cube.front[1, 1] && cube.back[2, 2] == cube.right[1, 1] && cube.right[0, 0] == cube.front[1, 1] && cube.right[1, 0] == cube.right[1, 1] && cube.right[2, 0] == cube.back[1, 1] && cube.front[0, 0] == cube.front[1, 1] && cube.front[0, 1] == cube.back[1, 1] && cube.front[0, 2] == cube.right[1, 1] && cube.left[0, 2] == cube.left[1, 1] && cube.left[1, 2] == cube.left[1, 1] && cube.left[2, 2] == cube.left[1, 1])
         {
             cube.u(cube, 1);
             cube.r(cube, 1);
             cube.U(cube, 1);
             cube.R(cube, 1);
             cube.u(cube, 1);
             cube.R(cube, 2);
             cube.f(cube, 1);
             cube.u(cube, 1);
             cube.F(cube, 1);
             cube.U(cube, 1);
             cube.R(cube, 1);
             cube.F(cube, 1);
             cube.r(cube, 1);
             cube.f(cube, 1);
             cube.R(cube, 2);
         }
         //PLL10
         else if (cube.back[2, 0] == cube.front[1, 1] && cube.back[2, 1] == cube.right[1, 1] && cube.back[2, 2] == cube.back[1, 1] && cube.right[0, 0] == cube.right[1, 1] && cube.right[1, 0] == cube.back[1, 1] && cube.right[2, 0] == cube.left[1, 1] && cube.front[0, 0] == cube.front[1, 1] && cube.front[0, 1] == cube.front[1, 1] && cube.front[0, 2] == cube.back[1, 1] && cube.left[0, 2] == cube.right[1, 1] && cube.left[1, 2] == cube.left[1, 1] && cube.left[2, 2] == cube.left[1, 1])
         {
             cube.r(cube, 1);
             cube.U(cube, 1);
             cube.r(cube, 1);
             cube.u(cube, 1);
             cube.b(cube, 1);
             cube.D(cube, 1);
             cube.b(cube, 1);
             cube.d(cube, 1);
             cube.B(cube, 2);
             cube.r(cube, 1);
             cube.b(cube, 1);
             cube.R(cube, 1);
             cube.B(cube, 1);
             cube.R(cube, 1);
         }
         //PLL11
         else if (cube.back[2, 0] == cube.front[1, 1] && cube.back[2, 1] == cube.left[1, 1] && cube.back[2, 2] == cube.back[1, 1] && cube.right[0, 0] == cube.right[1, 1] && cube.right[1, 0] == cube.right[1, 1] && cube.right[2, 0] == cube.left[1, 1] && cube.front[0, 0] == cube.front[1, 1] && cube.front[0, 1] == cube.front[1, 1] && cube.front[0, 2] == cube.back[1, 1] && cube.left[0, 2] == cube.right[1, 1] && cube.left[1, 2] == cube.back[1, 1] && cube.left[2, 2] == cube.left[1, 1])
         {
             cube.F(cube, 1);
             cube.R(cube, 1);
             cube.u(cube, 1);
             cube.r(cube, 1);
             cube.u(cube, 1);
             cube.R(cube, 1);
             cube.U(cube, 1);
             cube.r(cube, 1);
             cube.f(cube, 1);
             cube.R(cube, 1);
             cube.U(cube, 1);
             cube.r(cube, 1);
             cube.u(cube, 1);
             cube.r(cube, 1);
             cube.F(cube, 1);
             cube.R(cube, 1);
             cube.f(cube, 1);
         }
         //PLL12
         else if (cube.back[2, 0] == cube.back[1, 1] && cube.back[2, 1] == cube.back[1, 1] && cube.back[2, 2] == cube.back[1, 1] && cube.right[0, 0] == cube.right[1, 1] && cube.right[1, 0] == cube.front[1, 1] && cube.right[2, 0] == cube.front[1, 1] && cube.front[0, 0] == cube.right[1, 1] && cube.front[0, 1] == cube.right[1, 1] && cube.front[0, 2] == cube.left[1, 1] && cube.left[0, 2] == cube.left[1, 1] && cube.left[1, 2] == cube.left[1, 1] && cube.left[2, 2] == cube.front[1, 1])
         {
             cube.l(cube, 1);
             cube.U(cube, 1);
             cube.r(cube, 1);
             cube.U(cube, 2);
             cube.L(cube, 1);
             cube.u(cube, 1);
             cube.l(cube, 1);
             cube.U(cube, 2);
             cube.L(cube, 1);
             cube.R(cube, 1);
             cube.u(cube, 1);
         }
         //PLL13
         else if (cube.back[2, 0] == cube.back[1, 1] && cube.back[2, 1] == cube.back[1, 1] && cube.back[2, 2] == cube.right[1, 1] && cube.right[0, 0] == cube.front[1, 1] && cube.right[1, 0] == cube.front[1, 1] && cube.right[2, 0] == cube.back[1, 1] && cube.front[0, 0] == cube.front[1, 1] && cube.front[0, 1] == cube.right[1, 1] && cube.front[0, 2] == cube.right[1, 1] && cube.left[0, 2] == cube.left[1, 1] && cube.left[1, 2] == cube.left[1, 1] && cube.left[2, 2] == cube.left[1, 1])
         {
             cube.R(cube, 1);
             cube.U(cube, 1);
             cube.r(cube, 1);
             cube.f(cube, 1);
             cube.R(cube, 1);
             cube.U(cube, 1);
             cube.r(cube, 1);
             cube.u(cube, 1);
             cube.r(cube, 1);
             cube.F(cube, 1);
             cube.R(cube, 2);
             cube.u(cube, 1);
             cube.r(cube, 1);
             cube.u(cube, 1);
         }
         //PLL14
         else if (cube.back[2, 0] == cube.right[1, 1] && cube.back[2, 1] == cube.back[1, 1] && cube.back[2, 2] == cube.left[1, 1] && cube.right[0, 0] == cube.back[1, 1] && cube.right[1, 0] == cube.front[1, 1] && cube.right[2, 0] == cube.right[1, 1] && cube.front[0, 0] == cube.front[1, 1] && cube.front[0, 1] == cube.right[1, 1] && cube.front[0, 2] == cube.front[1, 1] && cube.left[0, 2] == cube.back[1, 1] && cube.left[1, 2] == cube.left[1, 1] && cube.left[2, 2] == cube.left[1, 1])
         {
             cube.r(cube, 1);
             cube.U(cube, 2);
             cube.R(cube, 1);
             cube.U(cube, 2);
             cube.r(cube, 1);
             cube.F(cube, 1);
             cube.R(cube, 1);
             cube.U(cube, 1);
             cube.r(cube, 1);
             cube.u(cube, 1);
             cube.r(cube, 1);
             cube.f(cube, 1);
             cube.R(cube, 2);
             cube.u(cube, 1);
         }
         //PLL15
         else if (cube.back[2, 0] == cube.back[1, 1] && cube.back[2, 1] == cube.right[1, 1] && cube.back[2, 2] == cube.back[1, 1] && cube.right[0, 0] == cube.right[1, 1] && cube.right[1, 0] == cube.back[1, 1] && cube.right[2, 0] == cube.front[1, 1] && cube.front[0, 0] == cube.right[1, 1] && cube.front[0, 1] == cube.front[1, 1] && cube.front[0, 2] == cube.left[1, 1] && cube.left[0, 2] == cube.left[1, 1] && cube.left[1, 2] == cube.left[1, 1] && cube.left[2, 2] == cube.front[1, 1])
         {
             cube.R(cube, 1);
             cube.U(cube, 2);
             cube.r(cube, 1);
             cube.U(cube, 2);
             cube.R(cube, 1);
             cube.b(cube, 1);
             cube.r(cube, 1);
             cube.u(cube, 1);
             cube.R(cube, 1);
             cube.U(cube, 1);
             cube.R(cube, 1);
             cube.B(cube, 1);
             cube.R(cube, 2);
             cube.U(cube, 1);
         }
         //PLL16
         else if (cube.back[2, 0] == cube.left[1, 1] && cube.back[2, 1] == cube.back[1, 1] && cube.back[2, 2] == cube.back[1, 1] && cube.right[0, 0] == cube.right[1, 1] && cube.right[1, 0] == cube.front[1, 1] && cube.right[2, 0] == cube.left[1, 1] && cube.front[0, 0] == cube.right[1, 1] && cube.front[0, 1] == cube.left[1, 1] && cube.front[0, 2] == cube.back[1, 1] && cube.left[0, 2] == cube.front[1, 1] && cube.left[1, 2] == cube.right[1, 1] && cube.left[2, 2] == cube.front[1, 1])
         {
             cube.R(cube, 2);
             cube.d(cube, 1);
             cube.F(cube, 1);
             cube.u(cube, 1);
             cube.F(cube, 1);
             cube.U(cube, 1);
             cube.f(cube, 1);
             cube.D(cube, 1);
             cube.R(cube, 2);
             cube.B(cube, 1);
             cube.u(cube, 1);
             cube.b(cube, 1);
         }
         //PLL17
         else if (cube.back[2, 0] == cube.right[1, 1] && cube.back[2, 1] == cube.left[1, 1] && cube.back[2, 2] == cube.front[1, 1] && cube.right[0, 0] == cube.left[1, 1] && cube.right[1, 0] == cube.right[1, 1] && cube.right[2, 0] == cube.right[1, 1] && cube.front[0, 0] == cube.left[1, 1] && cube.front[0, 1] == cube.back[1, 1] && cube.front[0, 2] == cube.front[1, 1] && cube.left[0, 2] == cube.back[1, 1] && cube.left[1, 2] == cube.front[1, 1] && cube.left[2, 2] == cube.back[1, 1])
         {
             cube.R(cube, 1);
             cube.U(cube, 1);
             cube.r(cube, 1);
             cube.F(cube, 2);
             cube.d(cube, 1);
             cube.L(cube, 1);
             cube.u(cube, 1);
             cube.l(cube, 1);
             cube.U(cube, 1);
             cube.l(cube, 1);
             cube.D(cube, 1);
             cube.F(cube, 2);
         }
         //PLL18
         else if (cube.back[2, 0] == cube.right[1, 1] && cube.back[2, 1] == cube.left[1, 1] && cube.back[2, 2] == cube.front[1, 1] && cube.right[0, 0] == cube.left[1, 1] && cube.right[1, 0] == cube.back[1, 1] && cube.right[2, 0] == cube.right[1, 1] && cube.front[0, 0] == cube.left[1, 1] && cube.front[0, 1] == cube.front[1, 1] && cube.front[0, 2] == cube.front[1, 1] && cube.left[0, 2] == cube.back[1, 1] && cube.left[1, 2] == cube.right[1, 1] && cube.left[2, 2] == cube.back[1, 1])
         {
             cube.R(cube, 2);
             cube.D(cube, 1);
             cube.b(cube, 1);
             cube.U(cube, 1);
             cube.b(cube, 1);
             cube.u(cube, 1);
             cube.B(cube, 1);
             cube.d(cube, 1);
             cube.R(cube, 2);
             cube.f(cube, 1);
             cube.U(cube, 1);
             cube.F(cube, 1);
         }
         //PLL19
         else if (cube.back[2, 0] == cube.right[1, 1] && cube.back[2, 1] == cube.front[1, 1] && cube.back[2, 2] == cube.back[1, 1] && cube.right[0, 0] == cube.right[1, 1] && cube.right[1, 0] == cube.right[1, 1] && cube.right[2, 0] == cube.left[1, 1] && cube.front[0, 0] == cube.right[1, 1] && cube.front[0, 1] == cube.left[1, 1] && cube.front[0, 2] == cube.back[1, 1] && cube.left[0, 2] == cube.front[1, 1] && cube.left[1, 2] == cube.back[1, 1] && cube.left[2, 2] == cube.front[1, 1])
         {
             cube.r(cube, 1);
             cube.u(cube, 1);
             cube.R(cube, 1);
             cube.B(cube, 2);
             cube.D(cube, 1);
             cube.l(cube, 1);
             cube.u(cube, 1);
             cube.L(cube, 1);
             cube.u(cube, 1);
             cube.L(cube, 1);
             cube.d(cube, 1);
             cube.B(cube, 2);
         }
         //PLL20
         else if (cube.back[2, 0] == cube.front[1, 1] && cube.back[2, 1] == cube.front[1, 1] && cube.back[2, 2] == cube.back[1, 1] && cube.right[0, 0] == cube.right[1, 1] && cube.right[1, 0] == cube.right[1, 1] && cube.right[2, 0] == cube.left[1, 1] && cube.front[0, 0] == cube.front[1, 1] && cube.front[0, 1] == cube.back[1, 1] && cube.front[0, 2] == cube.back[1, 1] && cube.left[0, 2] == cube.right[1, 1] && cube.left[1, 2] == cube.left[1, 1] && cube.left[2, 2] == cube.left[1, 1])
         {
             cube.u(cube, 1);
             cube.L(cube, 1);
             cube.u(cube, 1);
             cube.R(cube, 1);
             cube.U(cube, 2);
             cube.l(cube, 1);
             cube.U(cube, 1);
             cube.r(cube, 1);
             cube.L(cube, 1);
             cube.u(cube, 1);
             cube.R(cube, 1);
             cube.U(cube, 2);
             cube.l(cube, 1);
             cube.U(cube, 1);
             cube.r(cube, 1);
         }
         //PLL21
         else if (cube.back[2, 0] == cube.back[1, 1] && cube.back[2, 1] == cube.front[1, 1] && cube.back[2, 2] == cube.front[1, 1] && cube.right[0, 0] == cube.left[1, 1] && cube.right[1, 0] == cube.right[1, 1] && cube.right[2, 0] == cube.right[1, 1] && cube.front[0, 0] == cube.back[1, 1] && cube.front[0, 1] == cube.back[1, 1] && cube.front[0, 2] == cube.front[1, 1] && cube.left[0, 2] == cube.left[1, 1] && cube.left[1, 2] == cube.left[1, 1] && cube.left[2, 2] == cube.right[1, 1])
         {
             cube.l(cube, 1);
             cube.U(cube, 1);
             cube.r(cube, 1);
             cube.U(cube, 2);
             cube.L(cube, 1);
             cube.u(cube, 1);
             cube.l(cube, 1);
             cube.R(cube, 1);
             cube.U(cube, 1);
             cube.r(cube, 1);
             cube.U(cube, 2);
             cube.L(cube, 1);
             cube.u(cube, 1);
             cube.R(cube, 1);
             cube.u(cube, 1);
         }
         else
         {
             if (flag < 4)
             {
                 cube.U(cube, 1);
                 flag++;
             }
             else
             {
                 count -= 4;
                 cube.Y(cube, 1);
                 flag = 0;
             }
         }
     }
 }