n: 30 m: 221 packed: 10 density: 0 nodes: 0 solveTime: 600 buildTime: 30 solved: true
{0,7,15}
{1,5,10}
{2,6,13}
{3,4,16}
{8,17,28}
{9,23,27}
{11,14,19}
{12,21,25}
{18,20,24}
{22,26,29}