C132233133112121111331333133313331333132322331333131133133112323331333233211111   >>    C13223313311212111133133313331333133313232233133313113313311232333133323321111   <<    C132233133112121111331333133313331333132322331333131133133112323331333233211113   >>      C132233133112121111331333133313331333132322331333131133133112323331333233211112   >>