61bc1s 51bc1 41bc 31bc1s 21bc1

hbbc1 gbbc fbbc1s ebbc1 dbbc

skac rkac1s qkac1 pkac okac1s

3t9b1s 2t9b1 1t9b 0t9b1s zt9b1

e38b1 d38b c38b1s b38b1 a38b