n: 30 m: 271 packed: 10 density: 0 nodes: 0 solveTime: 1590 buildTime: 60 solved: true
{0,12,15}
{1,16,29}
{2,5,19}
{3,4,7}
{6,18,23}
{8,13,28}
{9,17,21}
{10,25,27}
{11,14,24}
{20,22,26}