n: 40 m: 204 packed: 13 density: 0 nodes: 0 solveTime: 1440 buildTime: 20 solved: true
{0,26,29}
{1,16,25}
{2,11,15}
{3,36,39}
{4,17,38}
{5,12,13}
{6,22,33}
{7,28,31}
{8,30,37}
{9,21,23}
{10,20,24}
{14,18,32}
{19,34,35}