C312312111111331312111133133313331333133322331323133313221333131131   >>    C31231211111133131211113313331333133313332233132313331322133313113   <<    C312312111111331312111133133313331333133322331323133313221333131133   >>      C312312111111331312111133133313331333133322331323133313221333131132   >>