n: 40 m: 379 packed: 13 density: 0 nodes: 0 solveTime: 3610 buildTime: 80 solved: true
{0,9,32}
{1,23,28}
{2,11,18}
{3,20,38}
{4,10,17}
{5,8,13}
{6,7,21}
{14,35,36}
{15,16,24}
{19,27,31}
{22,26,39}
{25,29,30}
{33,34,37}