n: 30 m: 213 packed: 10 density: 0 nodes: 0 solveTime: 600 buildTime: 20 solved: true
{0,12,27}
{1,13,18}
{2,3,6}
{4,16,23}
{5,20,26}
{7,14,19}
{8,25,28}
{9,11,24}
{10,21,22}
{15,17,29}