6j3tfn 5j3tf 4j3t 3j3tfn 2j3tf

ht2tf gt2t ft2tfn et2tf dt2t

s21t r21tfn q21tf p21t o21tfn

3b1tfn 2b1tf 1b1t 0b1tfn zb1tf

el0tf dl0t cl0tfn bl0tf al0t