n: 30 m: 178 packed: 10 density: 0 nodes: 0 solveTime: 870 buildTime: 20 solved: true
{0,9,22}
{1,25,28}
{2,12,16}
{3,26,29}
{4,19,27}
{5,7,24}
{6,13,17}
{8,10,23}
{11,14,15}
{18,20,21}