n: 30 m: 245 packed: 10 density: 0 nodes: 0 solveTime: 1560 buildTime: 40 solved: true
{0,7,21}
{1,5,12}
{2,3,18}
{4,8,10}
{6,14,26}
{9,28,29}
{11,13,20}
{15,16,23}
{17,19,27}
{22,24,25}