n: 40 m: 115 packed: 13 density: 0 nodes: 0 solveTime: 140 buildTime: 10 solved: true
{1,19,20}
{2,16,21}
{3,25,29}
{4,32,37}
{5,12,24}
{6,23,35}
{7,34,39}
{8,9,13}
{10,27,33}
{11,17,18}
{14,31,36}
{15,26,28}
{22,30,38}