n: 50 m: 162 packed: 16 density: 0 nodes: 0 solveTime: 520 buildTime: 20 solved: true {0,17,38} {1,16,44} {2,36,48} {3,42,49} {4,27,46} {5,32,45} {6,35,43} {7,9,10} {8,40,47} {11,18,31} {12,26,34} {13,19,37} {14,20,21} {22,28,30} {23,24,41} {25,33,39}