C31232233133313221211113313331333133313331212111133133311233133313331123312111   >>    C3123223313331322121111331333133313331333121211113313331123313331333112331211   <<    C31232233133313221211113313331333133313331212111133133311233133313331123312113   >>      C31232233133313221211113313331333133313331212111133133311233133313331123312112   >>