n: 30 m: 220 packed: 10 density: 0 nodes: 0 solveTime: 920 buildTime: 30 solved: true
{0,1,19}
{2,12,15}
{3,23,25}
{4,21,22}
{5,17,20}
{6,7,28}
{8,10,18}
{9,11,13}
{14,24,26}
{16,27,29}