n: 40 m: 461 packed: 13 density: 0 nodes: 0 solveTime: 28380 buildTime: 110 solved: true
{0,4,11}
{1,17,31}
{2,37,39}
{3,12,33}
{5,6,8}
{7,13,18}
{9,27,32}
{10,29,35}
{14,16,19}
{20,22,30}
{21,23,26}
{24,28,34}
{25,36,38}