n: 40 m: 303 packed: 13 density: 0 nodes: 0 solveTime: 1080 buildTime: 60 solved: true
{0,35,39}
{1,9,31}
{2,5,7}
{3,8,18}
{6,10,22}
{11,30,36}
{12,23,25}
{13,15,16}
{14,21,32}
{17,26,27}
{19,20,24}
{28,33,38}
{29,34,37}