n: 40 m: 385 packed: 13 density: 0 nodes: 0 solveTime: 4940 buildTime: 80 solved: true
{0,13,23}
{1,30,31}
{2,12,32}
{3,8,29}
{4,17,25}
{5,33,35}
{6,22,37}
{7,15,21}
{9,10,16}
{11,18,34}
{14,26,38}
{19,20,28}
{27,36,39}