C31232233133313221211113313331333133313331212111133133322133313113121331   >>    C3123223313331322121111331333133313331333121211113313332213331311312133   <<    C31232233133313221211113313331333133313331212111133133322133313113121333   >>      C31232233133313221211113313331333133313331212111133133322133313113121332   >>