C31232233133313221211113313331333133313331212111133133313223322311   >>    C3123223313331322121111331333133313331333121211113313331322332231   <<    C31232233133313221211113313331333133313331212111133133313223322313   >>      C31232233133313221211113313331333133313331212111133133313223322312   >>