n: 30 m: 389 packed: 10 density: 0 nodes: 0 solveTime: 7310 buildTime: 90 solved: true
{0,20,25}
{1,6,8}
{2,3,19}
{4,27,28}
{5,9,21}
{7,22,24}
{10,13,18}
{11,23,26}
{12,16,29}
{14,15,17}