n: 40 m: 261 packed: 13 density: 0 nodes: 0 solveTime: 1780 buildTime: 40 solved: true
{0,11,26}
{1,4,25}
{2,7,28}
{3,9,16}
{6,36,39}
{8,20,24}
{10,21,30}
{12,13,17}
{14,23,38}
{15,19,22}
{18,32,33}
{27,29,35}
{31,34,37}