230100000 - helios floor <b2>
230100100 - helios floor <b1>
230100200 - helios floor 1
x 230100300 - helios floor 2
x 230100310 - Lost in Darkness I
x 230100320 - Lost in Darkness II
x 230100400 - helios floor 23
x 230100500 - helios floor 24
x 230100600 - helios floor 25
x 230100700 - helios floor 26
x 230100800 - helios floor 27
x 230100900 - helios floor 28
x 230101000 - helios floor 29
x 230101001 - hidden street: N
230101010 - Warped Darkness I
230101020 - Warped Darkness II
230101030 - Warped Darkness III
x 230101040 - Warped Darkness IV
x 230101100 - helios floor 68
230101200 - helios floor 69
230101300 - helios floor 70
230101400 - helios floor 71
230101500 - helios floor 72
230101600 - helios floor 73
230101700 - helios floor 74
230101800 - helios floor 75
230101900 - helios floor 76
230101910 - Darkness in the Tower I
230101920 - Darkness in the Tower II
230101930 - Darkness in the Tower III
230102000 - helios floor 94
230102100 - helios floor 95
230102200 - helios floor 96
230102300 - helios floor 97
230102400 - helios floor 98
230102500 - helios floor 99
230102600 - helios floor 100