C13332313311211113313331333133313331323233121111331333132231222121   >>    C1333231331121111331333133313331333132323312111133133313223122212   <<    C13332313311211113313331333133313331323233121111331333132231222123   >>      C13332313311211113313331333133313331323233121111331333132231222122   >>