C31232233133313221211113313331333133313331212111133131211113322331121   >>    C3123223313331322121111331333133313331333121211113313121111332233112   <<    C31232233133313221211113313331333133313331212111133131211113322331123   >>      C31232233133313221211113313331333133313331212111133131211113322331122   >>