n: 30 m: 325 packed: 10 density: 0 nodes: 0 solveTime: 14080 buildTime: 60 solved: true
{0,16,23}
{1,15,17}
{2,18,24}
{3,12,26}
{4,6,7}
{5,13,27}
{8,22,28}
{9,11,21}
{10,25,29}
{14,19,20}