n: 40 m: 516 packed: 13 density: 0 nodes: 0 solveTime: 12430 buildTime: 160 solved: true
{0,2,12}
{1,3,16}
{4,6,22}
{5,10,35}
{7,33,37}
{8,31,38}
{9,23,25}
{11,29,36}
{13,18,27}
{14,28,30}
{15,17,32}
{19,21,34}
{20,24,26}