n: 30 m: 327 packed: 10 density: 0 nodes: 0 solveTime: 3730 buildTime: 60 solved: true
{0,19,23}
{1,20,25}
{2,16,29}
{3,4,22}
{5,7,8}
{6,27,28}
{9,10,24}
{11,15,21}
{12,18,26}
{13,14,17}