n: 30 m: 209 packed: 10 density: 0 nodes: 0 solveTime: 1250 buildTime: 20 solved: true
{0,15,23}
{1,6,16}
{2,12,20}
{3,7,8}
{4,14,19}
{5,9,10}
{11,24,27}
{13,25,26}
{17,18,28}
{21,22,29}