n: 40 m: 599 packed: 13 density: 0 nodes: 0 solveTime: 91270 buildTime: 210 solved: true
{0,15,35}
{1,18,21}
{2,6,13}
{3,9,39}
{4,12,19}
{5,16,17}
{7,8,11}
{10,22,30}
{20,36,38}
{23,24,28}
{25,31,32}
{26,27,33}
{29,34,37}