n: 40 m: 168 packed: 13 density: 0 nodes: 0 solveTime: 930 buildTime: 10 solved: true
{0,11,29}
{1,4,16}
{2,18,19}
{3,5,20}
{6,14,25}
{7,27,37}
{8,13,22}
{9,31,39}
{10,21,30}
{12,26,33}
{15,23,28}
{17,32,35}
{24,34,38}