n: 30 m: 254 packed: 10 density: 0 nodes: 0 solveTime: 650 buildTime: 30 solved: true
{0,15,29}
{1,14,23}
{2,7,27}
{3,9,17}
{4,8,18}
{5,10,21}
{6,22,26}
{11,20,24}
{12,13,16}
{19,25,28}