C13223313311212111133133313331333133313233121333133313331333232322321   >>    C1322331331121211113313331333133313331323312133313331333133323232232   <<    C13223313311212111133133313331333133313233121333133313331333232322323   >>      C13223313311212111133133313331333133313233121333133313331333232322322   >>