Lattice Path 3 4 [0,0,1,0,0,1] [1,0,0,1,2,1] [2,0,1,0,2,1] [0,1,-1,2,0,2] [2,1,1,2,3,2] [0,2,1,2,0,3] [1,2,0,3,2,3] [3,2,4,2,2,3]