n: 30 m: 448 packed: 10 density: 0 nodes: 0 solveTime: 1710 buildTime: 120 solved: true
{0,6,16}
{1,18,22}
{2,5,15}
{3,8,29}
{4,24,26}
{7,10,11}
{9,14,21}
{12,23,25}
{13,20,28}
{17,19,27}