C132233133112121111331333133313331333132322331333131133132213211231   >>    C13223313311212111133133313331333133313232233133313113313221321123   <<    C132233133112121111331333133313331333132322331333131133132213211233   >>      C132233133112121111331333133313331333132322331333131133132213211232   >>