n: 30 m: 320 packed: 10 density: 0 nodes: 0 solveTime: 4950 buildTime: 70 solved: true
{0,13,26}
{1,14,21}
{2,12,27}
{3,4,7}
{5,10,23}
{6,19,24}
{8,18,29}
{9,15,16}
{11,17,20}
{22,25,28}