n: 30 m: 173 packed: 10 density: 0 nodes: 0 solveTime: 840 buildTime: 20 solved: true
{0,5,21}
{1,11,15}
{2,8,16}
{3,13,14}
{4,10,18}
{6,7,27}
{9,20,26}
{12,22,25}
{17,23,28}
{19,24,29}