C13332313311211113313331333133313331323133313331333132321123121   >>    C1333231331121111331333133313331333132313331333133313232112312   <<    C13332313311211113313331333133313331323133313331333132321123123   >>      C13332313311211113313331333133313331323133313331333132321123122   >>