n: 40 m: 236 packed: 13 density: 0 nodes: 0 solveTime: 2170 buildTime: 30 solved: true
{0,23,27}
{1,17,31}
{2,3,32}
{4,11,26}
{5,29,36}
{6,13,24}
{7,16,21}
{8,12,22}
{9,19,20}
{10,14,18}
{15,30,34}
{25,28,37}
{33,38,39}