n: 30 m: 298 packed: 10 density: 0 nodes: 0 solveTime: 3280 buildTime: 60 solved: true
{0,5,13}
{1,6,29}
{2,3,4}
{7,18,19}
{8,11,16}
{9,14,15}
{10,23,24}
{12,17,26}
{20,22,27}
{21,25,28}