log 1 - found on level 8
log 2 - found on level 13
log 3 - found on level 20
log 4 - found on level 21
log 5 - found on level 22
log 6 - found on level 23
log 7 - found on level 26
log 8 - found on level 28
log 9 - found on level 30
log 10 - found on level 31
log 11 - found on level 32
log 12 - found on level 33