n: 40 m: 372 packed: 13 density: 0 nodes: 0 solveTime: 8100 buildTime: 90 solved: true
{0,14,21}
{1,2,17}
{3,6,20}
{4,8,24}
{7,9,23}
{10,11,18}
{12,30,32}
{13,33,38}
{15,19,36}
{16,26,37}
{22,27,39}
{25,31,35}
{28,29,34}