n: 40 m: 474 packed: 13 density: 0 nodes: 0 solveTime: 12190 buildTime: 130 solved: true
{0,9,17}
{1,6,10}
{2,15,35}
{3,4,39}
{5,7,8}
{11,12,27}
{13,25,28}
{14,16,31}
{18,23,26}
{19,24,38}
{21,22,32}
{29,33,34}
{30,36,37}