C312312111133131212111133133313331333133112113313331313223331333131233131   >>    C31231211113313121211113313331333133313311211331333131322333133313123313   <<    C312312111133131212111133133313331333133112113313331313223331333131233133   >>      C312312111133131212111133133313331333133112113313331313223331333131233132   >>