n: 40 m: 461 packed: 13 density: 0 nodes: 0 solveTime: 24150 buildTime: 120 solved: true
{0,36,37}
{1,13,34}
{2,12,22}
{3,15,39}
{4,5,8}
{6,10,38}
{7,24,33}
{9,20,30}
{11,18,29}
{14,21,32}
{16,25,26}
{17,27,28}
{19,23,35}