C1111133313331323223313331333133313331333131133133313331313112311   >>    C111113331333132322331333133313331333133313113313331333131311231   <<    C1111133313331323223313331333133313331333131133133313331313112313   >>      C1111133313331323223313331333133313331333131133133313331313112312   >>