n: 40 m: 356 packed: 13 density: 0 nodes: 0 solveTime: 3650 buildTime: 70 solved: true
{0,19,34}
{1,11,20}
{2,3,18}
{4,24,26}
{5,7,39}
{6,22,37}
{8,35,38}
{9,14,15}
{10,21,32}
{12,13,29}
{16,17,25}
{23,28,36}
{30,31,33}