n: 30 m: 574 packed: 10 density: 0 nodes: 0 solveTime: 26090 buildTime: 200 solved: true
{0,7,13}
{1,4,12}
{2,11,17}
{3,8,9}
{5,6,10}
{14,16,18}
{15,28,29}
{19,24,27}
{20,22,26}
{21,23,25}