n: 30 m: 228 packed: 10 density: 0 nodes: 0 solveTime: 760 buildTime: 30 solved: true
{0,9,18}
{1,6,27}
{2,5,10}
{3,19,21}
{4,8,12}
{7,17,28}
{11,23,25}
{13,16,22}
{14,20,24}
{15,26,29}