4j5k 3j5k1x 2j5k1 1j5k 0j5k1x

ft4k1x et4k1 dt4k ct4k1x bt4k1

q23k1 p23k o23k1x n23k1 m23k

1b3k 0b3k1x zb3k1 yb3k xb3k1x

cl2k1x bl2k1 al2k 9k2k1x 8k2k1