C13223313311212111133133313331333133313233121333133313331311132322121   >>    C1322331331121211113313331333133313331323312133313331333131113232212   <<    C13223313311212111133133313331333133313233121333133313331311132322123   >>      C13223313311212111133133313331333133313233121333133313331311132322122   >>