n: 30 m: 258 packed: 10 density: 0 nodes: 0 solveTime: 910 buildTime: 40 solved: true
{0,18,22}
{1,26,28}
{2,4,5}
{3,7,12}
{6,13,17}
{8,19,20}
{9,14,21}
{10,11,16}
{15,25,27}
{23,24,29}