n: 40 m: 381 packed: 13 density: 0 nodes: 0 solveTime: 9790 buildTime: 90 solved: true
{0,26,28}
{1,16,31}
{2,19,35}
{3,20,24}
{4,5,38}
{6,10,18}
{7,8,37}
{9,17,29}
{12,25,27}
{13,23,33}
{14,32,36}
{15,21,22}
{30,34,39}