C1111133313331323223313331333133313331333131211113313331311211312233231   >>    C111113331333132322331333133313331333133313121111331333131121131223323   <<    C1111133313331323223313331333133313331333131211113313331311211312233233   >>      C1111133313331323223313331333133313331333131211113313331311211312233232   >>