n: 30 m: 318 packed: 10 density: 0 nodes: 0 solveTime: 2400 buildTime: 70 solved: true
{0,6,18}
{1,7,29}
{2,3,26}
{4,23,24}
{5,8,21}
{9,13,14}
{10,17,19}
{11,25,27}
{12,22,28}
{15,16,20}