9l2n2z am2n bm2n2 cm2n2z dm2n

yc3n zc3n2 0c3n2z 1c3n 2c3n2

n33n2 o33n2z p33n q33n2 r33n2z

cu4n2z du4n eu4n2 fu4n2z gu4n

1k5n 2k5n2 3k5n2z 4k5n 5k5n2