n: 40 m: 491 packed: 13 density: 0 nodes: 0 solveTime: 19030 buildTime: 150 solved: true
{0,24,35}
{1,10,30}
{2,3,8}
{4,7,20}
{5,34,39}
{6,13,25}
{11,16,28}
{12,17,21}
{14,18,22}
{15,26,27}
{19,29,37}
{23,31,33}
{32,36,38}