n: 40 m: 319 packed: 13 density: 0 nodes: 0 solveTime: 4220 buildTime: 60 solved: true
{0,17,38}
{1,24,25}
{2,19,20}
{3,12,32}
{4,28,39}
{5,21,22}
{6,31,35}
{7,16,23}
{8,13,29}
{9,27,34}
{10,15,36}
{11,26,33}
{14,18,37}