n: 30 m: 91 packed: 10 density: 0 nodes: 0 solveTime: 90 buildTime: 10 solved: true
{0,12,19}
{1,15,21}
{2,16,17}
{3,20,23}
{4,5,7}
{6,8,29}
{9,27,28}
{10,18,22}
{11,13,14}
{24,25,26}