n: 40 m: 438 packed: 13 density: 0 nodes: 0 solveTime: 21040 buildTime: 110 solved: true
{0,11,15}
{1,22,36}
{2,26,38}
{3,27,29}
{4,16,39}
{5,20,30}
{6,17,18}
{7,13,23}
{8,33,37}
{9,14,25}
{10,12,35}
{19,24,32}
{28,31,34}