n: 30 m: 458 packed: 10 density: 0 nodes: 0 solveTime: 8800 buildTime: 120 solved: true
{0,16,24}
{1,9,20}
{2,19,21}
{3,5,6}
{4,18,28}
{7,27,29}
{8,25,26}
{10,13,14}
{11,15,22}
{12,17,23}