n: 40 m: 121 packed: 13 density: 0 nodes: 0 solveTime: 320 buildTime: 10 solved: true
{0,25,39}
{1,2,9}
{3,27,28}
{4,5,19}
{6,11,17}
{7,12,20}
{8,29,36}
{10,14,33}
{13,21,24}
{15,26,30}
{16,31,32}
{18,22,37}
{23,35,38}