n: 30 m: 130 packed: 10 density: 0 nodes: 0 solveTime: 500 buildTime: 10 solved: true
{0,20,28}
{1,6,9}
{2,11,27}
{3,25,29}
{4,12,16}
{5,8,10}
{7,22,24}
{13,19,21}
{14,18,26}
{15,17,23}