C1111133313331323223313331333133313331323131313121111331333133313331222331   >>    C111113331333132322331333133313331333132313131312111133133313331333122233   <<    C1111133313331323223313331333133313331323131313121111331333133313331222333   >>      C1111133313331323223313331333133313331323131313121111331333133313331222332   >>