n: 40 m: 221 packed: 13 density: 0 nodes: 0 solveTime: 1140 buildTime: 30 solved: true
{0,35,37}
{1,13,36}
{2,16,19}
{3,11,28}
{4,26,30}
{5,21,25}
{6,27,39}
{7,23,31}
{8,20,29}
{9,33,34}
{10,14,32}
{12,24,38}
{17,18,22}