C132233133112121111331333133313331312121111133313331321123231323121   >>    C13223313311212111133133313331333131212111113331333132112323132312   <<    C132233133112121111331333133313331312121111133313331321123231323123   >>      C132233133112121111331333133313331312121111133313331321123231323122   >>