n: 30 m: 216 packed: 10 density: 0 nodes: 0 solveTime: 1300 buildTime: 40 solved: true
{0,4,20}
{1,9,21}
{2,6,14}
{3,11,22}
{5,7,23}
{8,16,25}
{10,13,15}
{12,26,28}
{17,18,24}
{19,27,29}