n: 40 m: 404 packed: 13 density: 0 nodes: 0 solveTime: 9910 buildTime: 90 solved: true {0,30,39} {1,5,13} {2,18,21} {3,23,37} {4,6,22} {7,11,36} {8,20,33} {9,17,25} {10,35,38} {12,24,32} {14,16,26} {15,29,34} {27,28,31}