n: 40 m: 389 packed: 13 density: 0 nodes: 0 solveTime: 6620 buildTime: 90 solved: true
{0,21,26}
{1,3,32}
{4,11,37}
{5,10,38}
{6,25,28}
{7,9,31}
{8,19,39}
{12,17,22}
{13,27,35}
{14,16,18}
{15,24,36}
{20,23,34}
{29,30,33}