n: 40 m: 631 packed: 13 density: 0 nodes: 0 solveTime: 46250 buildTime: 230 solved: true
{0,25,35}
{1,12,19}
{2,15,30}
{3,20,37}
{4,13,28}
{5,21,23}
{6,16,24}
{7,22,31}
{8,18,32}
{9,26,36}
{10,17,33}
{11,38,39}
{14,29,34}