n: 30 m: 180 packed: 10 density: 0 nodes: 0 solveTime: 460 buildTime: 20 solved: true
{0,1,13}
{2,15,19}
{3,17,18}
{4,6,27}
{5,8,14}
{7,11,16}
{9,26,28}
{10,12,25}
{20,23,24}
{21,22,29}