n: 30 m: 246 packed: 10 density: 0 nodes: 0 solveTime: 910 buildTime: 40 solved: true
{0,12,21}
{1,9,15}
{2,3,29}
{4,13,28}
{5,6,16}
{7,20,25}
{8,11,26}
{10,14,17}
{18,23,24}
{19,22,27}