C132233133112121111331333133313331312121111133313331312111133132333223211111   >>    C13223313311212111133133313331333131212111113331333131211113313233322321111   <<    C132233133112121111331333133313331312121111133313331312111133132333223211113   >>      C132233133112121111331333133313331312121111133313331312111133132333223211112   >>