C31232233133313221211113313331333133313311211231211113313331123313132331   >>    C3123223313331322121111331333133313331331121123121111331333112331313233   <<    C31232233133313221211113313331333133313311211231211113313331123313132333   >>      C31232233133313221211113313331333133313311211231211113313331123313132332   >>