C1111133313331323223313331333133313311211111211331333133313111323332123221   >>    C111113331333132322331333133313331331121111121133133313331311132333212322   <<    C1111133313331323223313331333133313311211111211331333133313111323332123223   >>      C1111133313331323223313331333133313311211111211331333133313111323332123222   >>