C1111133313331323223313331333133313331333131211113313311211111331231   >>    C111113331333132322331333133313331333133313121111331331121111133123   <<    C1111133313331323223313331333133313331333131211113313311211111331233   >>      C1111133313331323223313331333133313331333131211113313311211111331232   >>