C132233133112121111331333133313331312121111133313331323112123231111   >>    C13223313311212111133133313331333131212111113331333132311212323111   <<    C132233133112121111331333133313331312121111133313331323112123231113   >>      C132233133112121111331333133313331312121111133313331323112123231112   >>