n: 30 m: 230 packed: 10 density: 0 nodes: 0 solveTime: 740 buildTime: 30 solved: true
{0,9,15}
{1,23,25}
{2,8,10}
{3,4,28}
{5,12,14}
{6,13,21}
{7,19,26}
{11,16,18}
{17,27,29}
{20,22,24}