n: 30 m: 131 packed: 10 density: 0 nodes: 0 solveTime: 160 buildTime: 10 solved: true
{0,28,29}
{1,14,19}
{2,21,25}
{3,7,9}
{4,16,18}
{5,13,23}
{6,11,15}
{8,10,22}
{12,17,27}
{20,24,26}