n: 40 m: 472 packed: 13 density: 0 nodes: 0 solveTime: 16960 buildTime: 110 solved: true
{0,28,39}
{1,3,9}
{2,13,30}
{4,5,19}
{6,8,18}
{7,12,22}
{10,16,36}
{11,14,17}
{15,26,33}
{20,37,38}
{23,27,34}
{24,29,32}
{25,31,35}