n: 30 m: 291 packed: 10 density: 0 nodes: 0 solveTime: 2230 buildTime: 50 solved: true
{0,9,23}
{1,6,7}
{2,11,18}
{3,15,20}
{4,27,29}
{5,10,14}
{8,22,25}
{12,21,24}
{13,16,26}
{17,19,28}