n: 30 m: 257 packed: 10 density: 0 nodes: 0 solveTime: 1580 buildTime: 60 solved: true
{0,23,26}
{1,21,29}
{2,3,6}
{4,24,27}
{5,16,28}
{7,15,20}
{8,11,14}
{9,13,22}
{10,19,25}
{12,17,18}