n: 30 m: 271 packed: 10 density: 0 nodes: 0 solveTime: 1280 buildTime: 40 solved: true
{0,6,20}
{1,4,24}
{2,3,14}
{5,21,25}
{7,22,26}
{8,12,23}
{9,15,27}
{10,16,17}
{11,13,19}
{18,28,29}