Case #1: 4 Case #2: 7 Case #3: 1 Case #4: -1 Case #5: 6 Case #6: -1 Case #7: 1000000002 Case #8: 42 Case #9: 2 Case #10: -1 Case #11: 1 Case #12: 1 Case #13: 1 Case #14: 1 Case #15: 1 Case #16: 5 Case #17: 6 Case #18: 1 Case #19: 2 Case #20: 1 Case #21: -1 Case #22: 3 Case #23: 2 Case #24: -1 Case #25: -1 Case #26: 1 Case #27: 2 Case #28: 1 Case #29: -1 Case #30: 3 Case #31: -1 Case #32: 3 Case #33: 1 Case #34: 3 Case #35: 5 Case #36: -1 Case #37: -1 Case #38: -1 Case #39: -1 Case #40: -1 Case #41: -1 Case #42: -1 Case #43: 1 Case #44: 1 Case #45: 1 Case #46: 1 Case #47: 1 Case #48: 1 Case #49: 1 Case #50: 1 Case #51: 1 Case #52: 3 Case #53: 1 Case #54: 30 Case #55: 7 Case #56: 129 Case #57: 38 Case #58: 46 Case #59: 235 Case #60: 76 Case #61: 198 Case #62: 367 Case #63: 40895814 Case #64: -1 Case #65: -1 Case #66: 1 Case #67: -1 Case #68: -1 Case #69: -1 Case #70: 6 Case #71: 1 Case #72: 2 Case #73: -1 Case #74: -1 Case #75: 1 Case #76: 1 Case #77: -1 Case #78: 1 Case #79: 5 Case #80: 13