C1111133313331323223313331333133313311211111211331311331333221323331   >>    C111113331333132322331333133313331331121111121133131133133322132333   <<    C1111133313331323223313331333133313311211111211331311331333221323333   >>      C1111133313331323223313331333133313311211111211331311331333221323332   >>