n: 30 m: 157 packed: 10 density: 0 nodes: 0 solveTime: 260 buildTime: 20 solved: true
{0,12,19}
{1,4,28}
{2,11,17}
{3,10,29}
{5,20,25}
{6,14,26}
{7,9,15}
{8,13,23}
{16,22,24}
{18,21,27}