C1111121111331311211331333133313331323132322331333131133112332321   >>    C111112111133131121133133313331333132313232233133313113311233232   <<    C1111121111331311211331333133313331323132322331333131133112332323   >>      C1111121111331311211331333133313331323132322331333131133112332322   >>