n: 30 m: 221 packed: 10 density: 0 nodes: 0 solveTime: 790 buildTime: 30 solved: true
{0,10,29}
{1,5,6}
{2,22,25}
{3,8,13}
{4,7,15}
{9,16,17}
{11,21,24}
{12,14,19}
{18,27,28}
{20,23,26}