n: 40 m: 633 packed: 13 density: 0 nodes: 0 solveTime: 68640 buildTime: 240 solved: true
{0,24,30}
{1,23,26}
{2,3,10}
{4,9,22}
{5,6,14}
{7,16,19}
{8,31,34}
{11,25,27}
{12,20,33}
{13,29,39}
{15,35,37}
{17,36,38}
{18,21,28}