4ak1 3ak18d 2ak18 1ak1 0ak18d
fkj18d ekj18 dkj1 ckj18d bkj18
qti18 pti1 oti18d nti18 mti1
12h1 02h18d z2h18 y2h1 x2h18d
cch18d bch18 ach1 9bh18d 8bh18