aull bull1 cull11 dull eull1

zkml1 0kml11 1kml 2kml1 3kml11

obnl11 pbnl qbnl1 rbnl11 sbnl

d2nl e2nl1 f2nl11 g2nl h2nl1

2sol1 3sol11 4sol 5sol1 6sol11