n: 30 m: 510 packed: 10 density: 0 nodes: 0 solveTime: 27370 buildTime: 160 solved: true
{0,2,20}
{1,9,17}
{3,6,8}
{4,7,13}
{5,24,28}
{10,11,12}
{14,18,29}
{15,16,23}
{19,25,26}
{21,22,27}