n: 30 m: 423 packed: 10 density: 0 nodes: 0 solveTime: 15910 buildTime: 90 solved: true
{0,13,20}
{1,14,17}
{2,23,25}
{3,26,29}
{4,15,24}
{5,19,27}
{6,12,28}
{7,21,22}
{8,10,16}
{9,11,18}