n: 40 m: 478 packed: 13 density: 0 nodes: 0 solveTime: 7200 buildTime: 130 solved: true
{0,36,37}
{1,3,4}
{2,30,38}
{5,6,8}
{7,24,26}
{9,33,35}
{10,14,31}
{11,17,39}
{12,15,20}
{13,18,29}
{16,19,28}
{21,27,34}
{22,23,25}