n: 50 m: 491 packed: 16 density: 0 nodes: 0 solveTime: 28840 buildTime: 130 solved: true
{0,18,20}
{1,35,46}
{2,11,29}
{3,10,27}
{4,32,47}
{5,40,44}
{6,19,48}
{7,8,25}
{9,24,45}
{12,16,43}
{13,14,37}
{17,31,36}
{21,30,38}
{22,23,39}
{26,28,49}
{33,41,42}