n: 30 m: 202 packed: 10 density: 0 nodes: 0 solveTime: 900 buildTime: 20 solved: true
{0,7,17}
{1,27,28}
{2,11,14}
{3,22,29}
{4,18,19}
{5,9,25}
{6,10,16}
{8,21,23}
{12,15,26}
{13,20,24}