n: 40 m: 471 packed: 13 density: 0 nodes: 0 solveTime: 13040 buildTime: 130 solved: true
{0,3,6}
{1,11,16}
{4,21,33}
{5,20,22}
{7,13,18}
{8,26,36}
{9,19,30}
{10,14,24}
{12,15,17}
{23,28,29}
{25,37,39}
{27,31,35}
{32,34,38}