n: 40 m: 234 packed: 13 density: 0 nodes: 0 solveTime: 1560 buildTime: 50 solved: true
{0,5,24}
{1,7,19}
{2,4,9}
{3,20,39}
{6,13,26}
{8,17,28}
{10,16,23}
{11,12,25}
{14,37,38}
{15,31,32}
{18,27,30}
{21,29,34}
{33,35,36}