q12ci p12c o12cib n12ci m12c

1a2c 0a2cib za2ci ya2c xa2cib

ck1cib bk1ci ak1c 9j1cib 8j1ci

nt0ci mt0c lt0cib kt0ci jt0c

y2zc x2zcib w2zci v2zc u2zcib