n: 40 m: 120 packed: 13 density: 0 nodes: 0 solveTime: 190 buildTime: 10 solved: true {0,13,17} {1,14,27} {2,11,23} {3,21,32} {4,18,33} {5,24,36} {6,7,16} {8,22,29} {9,31,39} {10,19,28} {12,15,25} {26,30,34} {35,37,38}