C31232233133313221211113313331333133313331212111133133313233312111   >>    C3123223313331322121111331333133313331333121211113313331323331211   <<    C31232233133313221211113313331333133313331212111133133313233312113   >>      C31232233133313221211113313331333133313331212111133133313233312112   >>