C1111133313331323223313331333133313311211111211331333133313223131121   >>    C111113331333132322331333133313331331121111121133133313331322313112   <<    C1111133313331323223313331333133313311211111211331333133313223131123   >>      C1111133313331323223313331333133313311211111211331333133313223131122   >>