n=90; random=[7,2,315,437,447,231,189,301,407,8,407,84,341,408,525,41,322,220,40,321,302,457,215,315,437,447,231,189,301,407,89,301,407,515,40,321,120,40,321,679,678,676,659,67,409,201,899,801,407,185,5,497,447,241,89,301,407,515,40,321,120,490,321,677,40,321,67,40,20,891,301,407,15,499,440,240,89,301,407,515,40,321,67,410,20,89,301,407,15,498];