n: 30 m: 374 packed: 10 density: 0 nodes: 0 solveTime: 12790 buildTime: 80 solved: true
{0,23,28}
{1,5,15}
{2,3,11}
{4,7,17}
{6,14,18}
{8,25,27}
{9,16,29}
{10,12,13}
{19,21,24}
{20,22,26}