x in [1,1200): violations of W_x >= L_x: [(55, 4, 5), (56, 4, 5), (57, 4, 5), (58, 4, 5), (59, 4, 5), (60, 4, 5), (61, 4, 5), (62, 4, 5), (63, 4, 5), (64, 4, 5)] count 1145
 x 10 min walk len through col x 4  L_x 3  w(x)+1 4
 x 20 min walk len through col x 4  L_x 4  w(x)+1 4
 x 50 min walk len through col x 4  L_x 4  w(x)+1 5
 x 100 min walk len through col x 4  L_x 5  w(x)+1 6
 x 500 min walk len through col x 4  L_x 8  w(x)+1 9
 x 1000 min walk len through col x 4  L_x 9  w(x)+1 12
 x 1199 min walk len through col x 4  L_x 10  w(x)+1 12
