n: 30 m: 174 packed: 10 density: 0 nodes: 0 solveTime: 320 buildTime: 20 solved: true
{0,1,29}
{2,21,25}
{3,24,27}
{4,5,6}
{7,9,14}
{8,11,19}
{10,16,22}
{12,17,28}
{13,15,20}
{18,23,26}