n: 40 m: 378 packed: 13 density: 0 nodes: 0 solveTime: 9160 buildTime: 80 solved: true
{0,4,23}
{1,9,10}
{2,30,33}
{3,17,35}
{5,19,24}
{6,13,25}
{8,16,38}
{11,29,36}
{12,27,34}
{14,31,39}
{15,20,37}
{18,21,28}
{22,26,32}