C31232233133313221211113313331333133313331212111112313331323121   >>    C3123223313331322121111331333133313331333121211111231333132312   <<    C31232233133313221211113313331333133313331212111112313331323123   >>      C31232233133313221211113313331333133313331212111112313331323122   >>