nd = new Array (4); 
 for (i = 0; i < nd . length; ++ i) 
 nd [i] = new Array (4); 
nd[0] = new Array (5228,71775,2696374,18)
nd[1] = new Array (5227,71765,2695885,17)
nd[2] = new Array (5226,71758,2692581,21)
nd[3] = new Array (5225,71751,2695520,19)
nd[4] = new Array (5224,71745,2691218,10)
nd[5] = new Array (5223,71700,2687934,15)
nd[6] = new Array (5222,71693,2686701,17)
nd[7] = new Array (5221,71664,2686989,6)
nd[8] = new Array (5220,71628,2684864,15)
nd[9] = new Array (5219,71559,2681223,6)