n: 30 m: 214 packed: 10 density: 0 nodes: 0 solveTime: 550 buildTime: 30 solved: true
{0,9,12}
{1,2,21}
{3,17,19}
{4,18,25}
{5,24,28}
{6,11,13}
{7,15,27}
{8,16,20}
{10,22,29}
{14,23,26}