Levelcodes:

02 AAJIHGDDC
03 CGGHDGGDG
04 HDICICCII
05 IDHEHDGCC
06 IJIIDIHEC
07 CFDFEFEFJ
08 JIIJIIIIC
09 AAAABAAAA
10 CCGDGBBBB
11 HHIAAAJJIG
12 GGDDJJHFD 
13 JIECBFGFF 
14 HGGEDDCCB 
15 HHHGFGDCC 
16-20 IHHDCHGHFF