48zs 38zsqr 28zsq 18zs 08zsqr
fizsqr eizsq dizs cizsqr bizsq
qrysq prys orysqr nrysq mrys
10xs 00xsqr z0xsq y0xs x0xsqr
caxsqr baxsq aaxs 99wsqr 89wsq