n: 50 m: 105 packed: 16 density: 0 nodes: 0 solveTime: 900 buildTime: 10 solved: true {0,3,31} {1,8,10} {2,23,39} {4,7,20} {5,9,35} {6,30,44} {11,13,48} {12,34,41} {14,21,47} {15,25,38} {16,18,27} {17,19,33} {22,29,49} {24,32,42} {28,45,46} {36,37,43}