C1111133313331323223313331333133313311211111211331311331333132313112111   >>    C111113331333132322331333133313331331121111121133131133133313231311211   <<    C1111133313331323223313331333133313311211111211331311331333132313112113   >>      C1111133313331323223313331333133313311211111211331311331333132313112112   >>