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