n: 40 m: 730 packed: 13 density: 0 nodes: 0 solveTime: 79380 buildTime: 310 solved: true
{0,23,36}
{1,21,25}
{2,5,16}
{3,4,20}
{6,13,27}
{7,32,33}
{8,28,38}
{9,12,18}
{10,34,39}
{11,15,24}
{17,22,30}
{19,31,35}
{26,29,37}