Case #1: 4 6 2 4 8 0 Case #2: 4 24 32 4 26 30 4 30 26 4 38 18 4 56 0 Case #3: 4 32 64 4 42 54 4 50 46 4 96 0 Case #4: 4 122 874 4 132 864 4 212 784 4 258 738 4 402 594 4 500 496 4 996 0