C3132121111133313233121111331333133313331333133313331333112222331   >>    C313212111113331323312111133133313331333133313331333133311222233   <<    C3132121111133313233121111331333133313331333133313331333112222333   >>      C3132121111133313233121111331333133313331333133313331333112222332   >>