⌊7⌊2\frac{\lfloor {7}}{\lfloor {2}}⌊2⌊7
⌊7⌊5\frac{\lfloor {7}}{\lfloor {5}}⌊5⌊7
⌊5⌊2\frac{\lfloor {5}}{\lfloor {2}}⌊2⌊5
⌊7⌊2 ⌊5\frac{\lfloor {7}}{\lfloor {2} {~}{\lfloor {5}}}⌊2 ⌊5⌊7
