C13332313311211113313331333133313331323132233133313331333133313112331312312121   >>    C1333231331121111331333133313331333132313223313331333133313331311233131231212   <<    C13332313311211113313331333133313331323132233133313331333133313112331312312123   >>      C13332313311211113313331333133313331323132233133313331333133313112331312312122   >>