n: 40 m: 232 packed: 13 density: 0 nodes: 0 solveTime: 730 buildTime: 30 solved: true
{0,23,33}
{1,28,36}
{2,25,30}
{3,22,26}
{4,21,31}
{5,11,24}
{6,18,32}
{7,9,38}
{8,10,12}
{13,15,16}
{14,17,20}
{19,35,39}
{29,34,37}