C31232233133313221211113313331333133313331212111133132322133313221232233131   >>    C3123223313331322121111331333133313331333121211113313232213331322123223313   <<    C31232233133313221211113313331333133313331212111133132322133313221232233133   >>      C31232233133313221211113313331333133313331212111133132322133313221232233132   >>