n: 30 m: 227 packed: 10 density: 0 nodes: 0 solveTime: 750 buildTime: 40 solved: true
{0,18,19}
{1,5,22}
{2,3,16}
{4,12,26}
{6,24,29}
{7,9,21}
{8,10,27}
{11,14,20}
{13,23,25}
{15,17,28}