n: 30 m: 277 packed: 10 density: 0 nodes: 0 solveTime: 2810 buildTime: 40 solved: true
{0,7,21}
{1,11,22}
{2,6,9}
{3,12,19}
{4,8,28}
{5,17,24}
{10,13,25}
{14,20,23}
{15,27,29}
{16,18,26}