n: 30 m: 255 packed: 10 density: 0 nodes: 0 solveTime: 1300 buildTime: 40 solved: true
{0,17,21}
{1,12,18}
{2,4,11}
{3,5,19}
{6,10,16}
{7,20,26}
{8,22,27}
{9,13,14}
{15,23,29}
{24,25,28}