C132233133112121111331333133313331333131231333131133132321123121121   >>    C13223313311212111133133313331333133313123133313113313232112312112   <<    C132233133112121111331333133313331333131231333131133132321123121123   >>      C132233133112121111331333133313331333131231333131133132321123121122   >>