C132233133112121111331333133313331333132322331333131133132233211221   >>    C13223313311212111133133313331333133313232233133313113313223321122   <<    C132233133112121111331333133313331333132322331333131133132233211223   >>      C132233133112121111331333133313331333132322331333131133132233211222   >>