n: 40 m: 259 packed: 13 density: 0 nodes: 0 solveTime: 16540 buildTime: 40 solved: true
{0,24,33}
{1,22,30}
{2,4,10}
{3,11,19}
{5,7,31}
{6,13,35}
{9,28,36}
{12,27,38}
{14,16,34}
{15,18,29}
{17,25,32}
{20,26,39}
{21,23,37}