DATA Format  
============

1st line:                         n  (size of network)
2nd line:                         k  (assignment parameter)
ith line (2<i<n+1):           name of house, (up to k) ages of inhabitants of house



TEST DATA
==========

10
5
Node1   1      45  78  32  44
Node2   90    11  2    65  35
Node3   13    3    66  22  101
Node4   21    22  5   19   28
Node5   23    6    29  40  45
Node6   102  7    50  43  46
Node7   9      17  60  42  76 
Node8   15    70  37  41  105
Node9   8      16  54  33  10
Node10 14    64 74   94   92