n: 40 m: 188 packed: 13 density: 0 nodes: 0 solveTime: 640 buildTime: 20 solved: true
{0,22,31}
{1,23,38}
{2,9,16}
{3,14,27}
{4,5,11}
{6,29,39}
{7,8,26}
{10,30,33}
{12,17,19}
{15,24,35}
{18,20,37}
{21,28,32}
{25,34,36}