n: 30 m: 448 packed: 10 density: 0 nodes: 0 solveTime: 12920 buildTime: 120 solved: true
{0,7,17}
{1,9,25}
{2,6,8}
{3,13,21}
{4,5,20}
{10,19,26}
{11,14,16}
{12,18,29}
{15,22,27}
{23,24,28}