n: 30 m: 372 packed: 10 density: 0 nodes: 0 solveTime: 2610 buildTime: 70 solved: true
{0,1,7}
{2,11,17}
{3,4,12}
{5,6,21}
{8,13,28}
{9,22,29}
{10,14,20}
{15,24,25}
{16,18,23}
{19,26,27}