n: 40 m: 217 packed: 13 density: 0 nodes: 0 solveTime: 960 buildTime: 30 solved: true
{0,16,24}
{1,17,18}
{2,21,35}
{3,6,11}
{4,26,38}
{7,22,33}
{8,28,37}
{9,19,20}
{10,27,34}
{12,14,39}
{13,23,30}
{15,25,29}
{31,32,36}