C1111133313331323223313331333133313331322133313331323221211111311331   >>    C111113331333132322331333133313331333132213331333132322121111131133   <<    C1111133313331323223313331333133313331322133313331323221211111311333   >>      C1111133313331323223313331333133313331322133313331323221211111311332   >>