n: 40 m: 224 packed: 13 density: 0 nodes: 0 solveTime: 1130 buildTime: 30 solved: true
{0,15,21}
{1,17,23}
{2,22,38}
{3,27,36}
{4,16,28}
{5,26,32}
{6,20,30}
{7,35,39}
{8,24,29}
{9,31,33}
{10,13,37}
{11,14,25}
{12,19,34}