C31232233133313221211113313331333133313331212111133133313233313331323211   >>    C3123223313331322121111331333133313331333121211113313331323331333132321   <<    C31232233133313221211113313331333133313331212111133133313233313331323213   >>      C31232233133313221211113313331333133313331212111133133313233313331323212   >>