n: 40 m: 186 packed: 13 density: 0 nodes: 0 solveTime: 2160 buildTime: 20 solved: true
{0,11,25}
{1,23,28}
{2,35,37}
{3,6,10}
{4,14,39}
{5,16,24}
{7,12,18}
{8,19,21}
{9,17,32}
{13,22,34}
{15,30,38}
{20,26,33}
{27,29,31}