f02b4s g02b h02b4 i02b4s j02b

4q3b 5q3b4 6q3b4s 7q3b 8q3b4

th4b4 uh4b4s vh4b wh4b4 xh4b4s

i84b4s j84b k84b4 l84b4s m84b

7y5b 8y5b4 9y5b4s az5b bz5b4