4
0,8,151,81,0,0,0,0,0,0
0,0,50,165,28,0,0,3,50,15
56,70,131,208,97,0,0,64,119,212
8,81,69,105,0,27,79,83,5,14
0,0,30,168,109,70,14,106,103,0
32,88,170,123,27,25,0,132,81,0
194,159,97,122,103,24,132,169,2,0
0,0,137,80,41,154,93,1,0,0