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