n: 40 m: 450 packed: 13 density: 0 nodes: 0 solveTime: 5970 buildTime: 120 solved: true
{0,5,30}
{1,21,34}
{2,11,12}
{3,26,39}
{4,6,8}
{7,27,33}
{9,10,13}
{14,16,36}
{15,28,37}
{17,20,24}
{18,25,31}
{19,23,35}
{22,29,32}