n: 30 m: 155 packed: 10 density: 0 nodes: 0 solveTime: 950 buildTime: 20 solved: true
{0,7,18}
{1,8,19}
{2,14,16}
{3,12,23}
{4,28,29}
{5,11,17}
{6,24,26}
{9,22,27}
{10,13,21}
{15,20,25}