n: 30 m: 139 packed: 10 density: 0 nodes: 0 solveTime: 420 buildTime: 10 solved: true
{0,24,25}
{1,10,11}
{2,6,14}
{3,4,12}
{5,18,23}
{7,15,21}
{8,27,28}
{9,13,29}
{16,17,19}
{20,22,26}