n: 40 m: 107 packed: 13 density: 0 nodes: 0 solveTime: 270 buildTime: 10 solved: true
{0,31,34}
{1,28,35}
{2,4,29}
{3,17,26}
{5,6,39}
{7,10,37}
{8,9,13}
{11,16,38}
{12,25,30}
{14,23,27}
{15,21,22}
{18,19,33}
{20,32,36}