C31232233133313221211113313331333133313331212111133132313233313231312111   >>    C3123223313331322121111331333133313331333121211113313231323331323131211   <<    C31232233133313221211113313331333133313331212111133132313233313231312113   >>      C31232233133313221211113313331333133313331212111133132313233313231312112   >>