C132233133112121111331333133313331323331333133313331333232232123121   >>    C13223313311212111133133313331333132333133313331333133323223212312   <<    C132233133112121111331333133313331323331333133313331333232232123123   >>      C132233133112121111331333133313331323331333133313331333232232123122   >>