n: 30 m: 129 packed: 10 density: 0 nodes: 0 solveTime: 650 buildTime: 20 solved: true
{0,15,21}
{1,12,29}
{2,9,25}
{3,23,27}
{4,7,18}
{5,6,22}
{8,14,24}
{10,13,28}
{11,16,26}
{17,19,20}