n: 30 m: 435 packed: 10 density: 0 nodes: 0 solveTime: 13620 buildTime: 110 solved: true
{0,21,23}
{1,12,27}
{2,7,19}
{3,9,17}
{4,11,13}
{5,8,10}
{6,14,25}
{15,18,29}
{16,20,24}
{22,26,28}