n: 40 m: 222 packed: 13 density: 0 nodes: 0 solveTime: 280 buildTime: 30 solved: true
{0,27,28}
{1,22,23}
{2,19,20}
{3,11,34}
{4,7,38}
{5,37,39}
{6,13,36}
{9,18,24}
{10,17,30}
{12,32,35}
{14,16,26}
{15,21,33}
{25,29,31}