n: 40 m: 139 packed: 13 density: 0 nodes: 0 solveTime: 1310 buildTime: 10 solved: true
{0,14,18}
{1,6,24}
{2,29,33}
{3,19,26}
{4,7,12}
{5,13,35}
{8,21,32}
{9,20,28}
{10,22,37}
{11,27,34}
{15,17,30}
{23,31,39}
{25,36,38}