t3c2p s3c2 r3c2pb q3c2p p3c2
4cc2 3cc2pb 2cc2p 1cc2 0cc2pb
fmb2pb emb2p dmb2 cmb2pb bmb2p
qva2p pva2 ova2pb nva2p mva2
1491 0491pb z491p y491 x491pb