n: 40 m: 259 packed: 13 density: 0 nodes: 0 solveTime: 1440 buildTime: 40 solved: true
{0,20,27}
{1,17,25}
{2,10,37}
{3,9,30}
{4,11,18}
{5,8,32}
{6,35,39}
{7,23,28}
{12,19,26}
{13,16,29}
{14,33,38}
{21,24,34}
{22,31,36}