C31232233133313221211113313331333133313331212111133132322212131   >>    C3123223313331322121111331333133313331333121211113313232221213   <<    C31232233133313221211113313331333133313331212111133132322212133   >>      C31232233133313221211113313331333133313331212111133132322212132   >>