n: 40 m: 441 packed: 13 density: 0 nodes: 0 solveTime: 19090 buildTime: 110 solved: true
{0,8,25}
{1,3,10}
{2,15,32}
{4,36,39}
{5,6,13}
{7,11,31}
{9,20,30}
{12,22,26}
{14,19,34}
{17,18,24}
{21,28,29}
{23,27,33}
{35,37,38}