n: 40 m: 230 packed: 13 density: 0 nodes: 0 solveTime: 2070 buildTime: 30 solved: true
{0,19,24}
{1,17,32}
{2,29,31}
{3,21,25}
{4,16,39}
{5,22,33}
{6,36,38}
{7,14,35}
{8,28,37}
{9,11,20}
{10,23,30}
{12,27,34}
{13,15,26}