C31232233133313221211113313331333133313112113231323133313111322331   >>    C3123223313331322121111331333133313331311211323132313331311132233   <<    C31232233133313221211113313331333133313112113231323133313111322333   >>      C31232233133313221211113313331333133313112113231323133313111322332   >>