n: 30 m: 131 packed: 10 density: 0 nodes: 0 solveTime: 400 buildTime: 10 solved: true
{0,7,28}
{1,4,23}
{2,19,26}
{3,13,15}
{5,9,11}
{6,14,18}
{8,17,25}
{10,22,24}
{12,16,21}
{20,27,29}