n: 40 m: 155 packed: 13 density: 0 nodes: 0 solveTime: 420 buildTime: 10 solved: true {0,3,26} {1,25,33} {2,9,30} {4,10,31} {5,21,29} {6,19,38} {7,35,39} {8,32,36} {11,14,16} {12,13,15} {17,28,37} {18,20,34} {22,24,27}