va4t ua4t0c ta4t0 sa4t ra4t0c

6j3t0c 5j3t0 4j3t 3j3t0c 2j3t0

ht2t0 gt2t ft2t0c et2t0 dt2t

s21t r21t0c q21t0 p21t o21t0c

3b1t0c 2b1t0 1b1t 0b1t0c zb1t0