C31232233133313221211113313331333133313331212111133131211111231333113121   >>    C3123223313331322121111331333133313331333121211113313121111123133311312   <<    C31232233133313221211113313331333133313331212111133131211111231333113123   >>      C31232233133313221211113313331333133313331212111133131211111231333113122   >>