n: 30 m: 327 packed: 10 density: 0 nodes: 0 solveTime: 7510 buildTime: 60 solved: true
{0,2,9}
{1,3,12}
{4,6,7}
{5,14,19}
{8,13,18}
{10,25,26}
{11,16,20}
{15,23,24}
{17,22,27}
{21,28,29}