Case #1: 0 2
Case #2: 1 0
Case #3: 2 0
Case #4: 4 2
Case #5: 3 1
Case #6: 3 2
Case #7: 3 5
Case #8: 1 10
Case #9: 8 7
Case #10: 7 7
Case #11: 7 11
Case #12: 1 1
Case #13: 2 0
Case #14: 3 6
Case #15: 13 0
Case #16: 0 8
Case #17: 6 8
Case #18: 2 2
Case #19: 6 3
Case #20: 8 4