n: 30 m: 145 packed: 10 density: 0 nodes: 0 solveTime: 1760 buildTime: 30 solved: true
{0,13,23}
{1,21,24}
{2,27,28}
{3,15,29}
{4,5,20}
{6,14,18}
{7,9,12}
{8,10,11}
{16,17,25}
{19,22,26}