n: 40 m: 285 packed: 13 density: 0 nodes: 0 solveTime: 2700 buildTime: 40 solved: true
{0,24,34}
{1,20,35}
{2,9,13}
{3,5,11}
{4,6,29}
{7,36,38}
{8,15,26}
{10,16,33}
{12,31,39}
{14,17,32}
{18,23,30}
{19,21,28}
{22,25,37}