z2sex y2se x2sex0 w2sex v2se
acse 9bsex0 8bsex 7bse 6bsex0
llrex0 klrex jlre ilrex0 hlrex
wuqex vuqe uuqex0 tuqex suqe
73pe 63pex0 53pex 43pe 33pex0