n: 30 m: 351 packed: 10 density: 0 nodes: 0 solveTime: 6540 buildTime: 80 solved: true
{0,9,17}
{1,26,27}
{2,28,29}
{3,7,25}
{4,10,23}
{5,12,18}
{6,11,13}
{8,16,21}
{14,15,24}
{19,20,22}