n: 40 m: 401 packed: 13 density: 0 nodes: 0 solveTime: 37350 buildTime: 100 solved: true
{0,16,31}
{1,27,32}
{2,3,13}
{4,17,38}
{6,11,34}
{7,24,33}
{8,25,29}
{9,19,36}
{10,15,18}
{12,23,26}
{14,37,39}
{20,22,30}
{21,28,35}