n: 30 m: 374 packed: 10 density: 0 nodes: 0 solveTime: 3430 buildTime: 80 solved: true
{0,12,13}
{1,18,21}
{2,3,6}
{4,14,20}
{5,9,24}
{7,19,29}
{8,16,27}
{10,15,23}
{11,25,26}
{17,22,28}