C132233133112121111331333133313331312121111133313331211113313232212111   >>    C13223313311212111133133313331333131212111113331333121111331323221211   <<    C132233133112121111331333133313331312121111133313331211113313232212113   >>      C132233133112121111331333133313331312121111133313331211113313232212112   >>