n: 40 m: 316 packed: 13 density: 0 nodes: 0 solveTime: 3980 buildTime: 60 solved: true
{0,35,37}
{1,8,14}
{2,3,38}
{4,5,33}
{6,15,23}
{7,16,20}
{9,17,21}
{10,24,34}
{11,28,30}
{12,22,25}
{13,18,26}
{19,31,32}
{27,29,39}