C31232233133313221211113313331333133313331212111133132112313231333111   >>    C3123223313331322121111331333133313331333121211113313211231323133311   <<    C31232233133313221211113313331333133313331212111133132112313231333113   >>      C31232233133313221211113313331333133313331212111133132112313231333112   >>