C31232233133313221211113313331333133313331212111133133313311211131121221   >>    C3123223313331322121111331333133313331333121211113313331331121113112122   <<    C31232233133313221211113313331333133313331212111133133313311211131121223   >>      C31232233133313221211113313331333133313331212111133133313311211131121222   >>