C1111133313331323223313331333133313331333131133133313331313113121   >>    C111113331333132322331333133313331333133313113313331333131311312   <<    C1111133313331323223313331333133313331333131133133313331313113123   >>      C1111133313331323223313331333133313331333131133133313331313113122   >>