n: 40 m: 368 packed: 13 density: 0 nodes: 0 solveTime: 6250 buildTime: 80 solved: true
{0,12,31}
{1,13,25}
{2,29,33}
{3,35,36}
{4,11,14}
{5,24,30}
{6,23,34}
{7,19,21}
{8,10,18}
{9,27,28}
{15,17,22}
{16,20,38}
{26,32,37}