C31232233133313221211113313331333133313331212111133221323221211   >>    C3123223313331322121111331333133313331333121211113322132322121   <<    C31232233133313221211113313331333133313331212111133221323221213   >>      C31232233133313221211113313331333133313331212111133221323221212   >>