n: 30 m: 141 packed: 10 density: 0 nodes: 0 solveTime: 390 buildTime: 10 solved: true
{0,13,22}
{1,20,25}
{2,14,21}
{3,12,23}
{4,7,11}
{5,6,29}
{8,27,28}
{9,10,15}
{16,17,26}
{18,19,24}