n: 30 m: 525 packed: 10 density: 0 nodes: 0 solveTime: 10390 buildTime: 170 solved: true
{0,14,20}
{1,6,17}
{2,9,10}
{3,4,7}
{5,12,13}
{8,16,18}
{11,25,27}
{15,21,26}
{19,22,29}
{23,24,28}