C1111133313331323223313331333133313331323132232111133131133132313331313111   >>    C111113331333132322331333133313331333132313223211113313113313231333131311   <<    C1111133313331323223313331333133313331323132232111133131133132313331313113   >>      C1111133313331323223313331333133313331323132232111133131133132313331313112   >>