C132233133112121111331333133313331333132322331333133313232212111112211221   >>    C13223313311212111133133313331333133313232233133313331323221211111221122   <<    C132233133112121111331333133313331333132322331333133313232212111112211223   >>      C132233133112121111331333133313331333132322331333133313232212111112211222   >>