n: 40 m: 261 packed: 13 density: 0 nodes: 0 solveTime: 3810 buildTime: 40 solved: true
{0,1,37}
{2,24,27}
{3,20,28}
{4,10,14}
{5,15,32}
{6,8,16}
{7,9,30}
{11,26,35}
{12,13,25}
{18,21,33}
{19,34,38}
{22,23,31}
{29,36,39}