n: 40 m: 403 packed: 13 density: 0 nodes: 0 solveTime: 34540 buildTime: 100 solved: true
{0,26,30}
{1,20,39}
{2,19,37}
{3,24,27}
{4,5,10}
{6,11,16}
{7,14,38}
{8,32,35}
{9,28,31}
{12,13,29}
{15,23,25}
{17,21,33}
{18,22,34}