C31232233133313221211113313331333133313331212111112112113233121   >>    C3123223313331322121111331333133313331333121211111211211323312   <<    C31232233133313221211113313331333133313331212111112112113233123   >>      C31232233133313221211113313331333133313331212111112112113233122   >>