n: 30 m: 451 packed: 10 density: 0 nodes: 0 solveTime: 11590 buildTime: 120 solved: true
{0,24,29}
{1,7,26}
{2,5,8}
{3,6,12}
{4,9,10}
{11,16,21}
{13,22,25}
{14,15,20}
{17,23,28}
{18,19,27}