n: 40 m: 543 packed: 13 density: 0 nodes: 0 solveTime: 29410 buildTime: 170 solved: true
{0,5,13}
{1,4,6}
{3,12,17}
{7,28,35}
{8,25,29}
{9,38,39}
{10,21,37}
{11,31,36}
{14,22,32}
{15,18,27}
{16,19,33}
{20,30,34}
{23,24,26}