n: 30 m: 261 packed: 10 density: 0 nodes: 0 solveTime: 2160 buildTime: 40 solved: true
{0,25,28}
{1,17,23}
{2,5,7}
{3,15,26}
{4,19,29}
{6,11,14}
{8,13,16}
{9,10,27}
{12,22,24}
{18,20,21}