C333312111133133312111133133313331333132231331121111331323223313231323233211121   >>    C33331211113313331211113313331333133313223133112111133132322331323132323321112   <<    C333312111133133312111133133313331333132231331121111331323223313231323233211123   >>      C333312111133133312111133133313331333132231331121111331323223313231323233211122   >>