n: 30 m: 339 packed: 10 density: 0 nodes: 0 solveTime: 4060 buildTime: 80 solved: true
{0,13,27}
{1,3,10}
{2,5,15}
{4,7,18}
{6,8,11}
{9,26,28}
{12,16,25}
{14,19,29}
{17,21,23}
{20,22,24}