n: 30 m: 462 packed: 10 density: 0 nodes: 0 solveTime: 21490 buildTime: 120 solved: true
{0,16,25}
{1,12,26}
{2,17,28}
{3,5,9}
{4,19,21}
{6,14,20}
{7,23,29}
{8,13,18}
{10,22,24}
{11,15,27}