C13223313311212111133133313331323133313233313121111121111331323123232321   >>    C1322331331121211113313331333132313331323331312111112111133132312323232   <<    C13223313311212111133133313331323133313233313121111121111331323123232323   >>      C13223313311212111133133313331323133313233313121111121111331323123232322   >>