n: 40 m: 656 packed: 13 density: 0 nodes: 0 solveTime: 48230 buildTime: 260 solved: true
{0,1,29}
{2,5,8}
{4,28,34}
{6,9,21}
{7,11,20}
{10,17,33}
{12,24,35}
{13,15,18}
{14,31,39}
{16,36,37}
{19,25,26}
{22,32,38}
{23,27,30}