n: 40 m: 257 packed: 13 density: 0 nodes: 0 solveTime: 1410 buildTime: 40 solved: true
{0,6,28}
{1,19,20}
{2,9,34}
{3,10,26}
{4,16,23}
{5,12,24}
{8,11,18}
{13,27,38}
{14,29,32}
{15,33,36}
{17,25,30}
{21,22,31}
{35,37,39}