Case #1: Yes
Case #2: No
Case #3: Yes
Case #4: Yes
Case #5: No
Case #6: Yes
Case #7: No
Case #8: Yes
Case #9: No
Case #10: Yes
Case #11: No
Case #12: Yes
Case #13: Yes
Case #14: No
Case #15: Yes
Case #16: Yes
Case #17: No
Case #18: Yes
Case #19: Yes
Case #20: No