C312312111111331312111133133313331331121111332321333132232232321   >>    C31231211111133131211113313331333133112111133232133313223223232   <<    C312312111111331312111133133313331331121111332321333132232232323   >>      C312312111111331312111133133313331331121111332321333132232232322   >>