C132233133112121111331333133313331333131232233132313331313331323113121221   >>    C13223313311212111133133313331333133313123223313231333131333132311312122   <<    C132233133112121111331333133313331333131232233132313331313331323113121223   >>      C132233133112121111331333133313331333131232233132313331313331323113121222   >>