Solution playground - do not touch
1: cf b a | ae a-a
3: a bg c e | db ae
5: cd b--bb | ce cb ca
7: cb cg-gb e | aa cd-d
CAisO
DEisZ
BAisH
111111111 2222222
12345678901234567890123456
abcdefghijklmnopqrstuvwxyz
1111
1234567890123
abcdefghijklm
zyxwvutsrqpon