n: 30 m: 377 packed: 10 density: 0 nodes: 0 solveTime: 7020 buildTime: 80 solved: true
{0,12,25}
{1,11,13}
{2,4,27}
{3,6,9}
{5,7,17}
{8,18,21}
{10,23,28}
{14,22,24}
{15,16,20}
{19,26,29}