C31232233133313221211113313331333132313331333133313331333133313233313331232311   >>    C3123223313331322121111331333133313231333133313331333133313331323331333123231   <<    C31232233133313221211113313331333132313331333133313331333133313233313331232313   >>      C31232233133313221211113313331333132313331333133313331333133313233313331232312   >>