n: 30 m: 91 packed: 10 density: 0 nodes: 0 solveTime: 120 buildTime: 0 solved: true
{0,2,17}
{1,25,26}
{3,9,27}
{4,6,28}
{5,13,14}
{7,10,21}
{8,16,29}
{11,19,24}
{12,18,20}
{15,22,23}