n: 30 m: 177 packed: 10 density: 0 nodes: 0 solveTime: 700 buildTime: 20 solved: true
{0,20,22}
{1,10,18}
{2,12,29}
{3,13,19}
{4,11,16}
{5,26,27}
{6,7,17}
{8,9,21}
{14,24,28}
{15,23,25}