{0: [0, 5], 5: [0, 1, 8], 2: [1], 6: [1, 9], 7: [3, 5, 6], 8: [3], 4: [6], 3: [9]} {0: [0, 5], 1: [2, 5, 6], 3: [7, 8], 5: [0, 7], 6: [4, 7], 8: [5], 9: [3, 6]}
{(0, 0): 0, (0, 5): 0, (1, 2): 0, (1, 5): 0, (1, 6): 0, (3, 7): 0, (3, 8): 0, (5, 0): 0, (5, 7): 0, (6, 4): 0, (6, 7): 0, (8, 5): 0, (9, 3): 0, (9, 6): 0}