C1111133313331323223313331333133313331333131133131211113313331333132322232321   >>    C111113331333132322331333133313331333133313113313121111331333133313232223232   <<    C1111133313331323223313331333133313331333131133131211113313331333132322232323   >>      C1111133313331323223313331333133313331333131133131211113313331333132322232322   >>