public static MDP <CellWorldPosition, String> CreateFourByThreeMDP()
{
CellWorld cw = new CellWorld(3, 4, 0.4);
cw = new CellWorld(3, 4, -0.04);
cw.MarkBlocked(2, 2);
cw.SetTerminalState(2, 4);
cw.SetReward(2, 4, -1);
cw.SetTerminalState(3, 4);
cw.SetReward(3, 4, 1);
return(cw.AsMdp());
}