n: 30 m: 401 packed: 10 density: 0 nodes: 0 solveTime: 5600 buildTime: 90 solved: true
{0,5,13}
{1,6,9}
{2,10,14}
{3,7,26}
{4,28,29}
{8,24,25}
{11,16,23}
{12,17,21}
{15,20,27}
{18,19,22}