n: 40 m: 189 packed: 13 density: 0 nodes: 0 solveTime: 1080 buildTime: 30 solved: true
{0,28,32}
{1,6,17}
{2,8,20}
{3,14,16}
{4,36,37}
{5,7,39}
{9,10,35}
{11,18,26}
{12,13,19}
{15,21,24}
{22,23,29}
{25,27,38}
{31,33,34}