n: 40 m: 526 packed: 13 density: 0 nodes: 0 solveTime: 35420 buildTime: 160 solved: true
{0,16,36}
{1,6,20}
{2,4,5}
{3,8,34}
{7,35,39}
{10,18,30}
{11,21,25}
{12,13,37}
{14,28,29}
{15,23,26}
{17,19,24}
{22,27,32}
{31,33,38}