private void SetGroupedLink(int tfx, int type, int no, UGrCells LA, UGrCells LB, bool Print = false)
{
if (LA.Count == 0 || LB.Count == 0)
{
return;
}
if (LA.Count == 1 && LB.Count == 1)
{
return;
}
GroupedLink GrpLK = new GroupedLink(LA, LB, tfx, type);
int ix = GrpCeLKLst.FindIndex(P => (P.Equals(GrpLK)));
if (ix >= 0)
{
return;
}
GrpCeLKLst.Add(GrpLK);
if (Print)
{
WriteLine($"\r*LA tfx:{tfx} type:{type} no:{(no+1)}");
LA.ForEach(P => WriteLine(P));
WriteLine("*LB");
LB.ForEach(P => WriteLine(P));
}
}
//Link in ALS(when 1-number is excluded and locked, other digits are in one house）
public void QSearch_AlsInnerLink()
{
if (ALSLst == null)
{
PrepareALSLinkMan(1);
}
if (ALSLst.Count == 0)
{
return;
}
if (AlsInnerLink != null)
{
return;
}
foreach (var Pals in ALSLst.Where(p => (p.Size >= 2 && p.singly)))
{
List <int> noLst = Pals.FreeB.IEGet_BtoNo().ToList();
Permutation prm = new Permutation(noLst.Count, 2);//using permutation
while (prm.Successor(2))
{
int noS = noLst[prm.Index[0]];
int noD = noLst[prm.Index[1]];
UGrCells GS = Pals.SelectNoCells(noS); //ALS cell group with noS
UGrCells GD = Pals.SelectNoCells(noD); //ALS cell group with noD
Bit81 B81D = new Bit81();
GD.ForEach(q => B81D.BPSet(q.rc));
for (int tfx = 0; tfx < 27; tfx++)
{
if (!(B81D - pHouseCells[tfx]).IsZero())
{
continue;
}
_SetGroupedLink(Pals, GS, GD, tfx);
}
}
}
if (AlsInnerLink == null || AlsInnerLink.Count <= 0)
{
return;
}
AlsInnerLink.Sort();
int ID = 0;
AlsInnerLink.ForEach(P => P.ID = (ID++));
// AlsInnerLink.ForEach(P=>{
// // if( P.ALSbase.Size==2 && P.tfx==18 ){
// WriteLine($"ALSLink {P.UGCellsA.GCToString()} -> tfx:{P.tfx} {P.UGCellsB.GCToString()}" );
// // }
// } );
}