C1111133313331323223313331333133313311211111211331333133313332222232211   >>    C111113331333132322331333133313331331121111121133133313331333222223221   <<    C1111133313331323223313331333133313311211111211331333133313332222232213   >>      C1111133313331323223313331333133313311211111211331333133313332222232212   >>