n: 40 m: 456 packed: 13 density: 0 nodes: 0 solveTime: 8010 buildTime: 120 solved: true
{0,12,38}
{1,13,16}
{2,32,37}
{4,22,28}
{5,35,39}
{6,8,24}
{7,17,19}
{9,14,34}
{10,20,33}
{11,29,30}
{15,21,26}
{18,23,25}
{27,31,36}