n: 40 m: 279 packed: 13 density: 0 nodes: 0 solveTime: 880 buildTime: 40 solved: true
{0,22,23}
{1,8,18}
{2,15,25}
{3,5,26}
{4,29,38}
{6,9,31}
{7,10,36}
{11,19,37}
{12,16,39}
{13,24,28}
{14,21,30}
{17,27,34}
{20,32,33}