C31232233133313221211113313331333133313331212111133132211312113321   >>    C3123223313331322121111331333133313331333121211113313221131211332   <<    C31232233133313221211113313331333133313331212111133132211312113323   >>      C31232233133313221211113313331333133313331212111133132211312113322   >>