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