n = 1

Balanced Pair Language

L₁ = { aⁿbⁿ | n ≥ 0 } — For every 'a' there must be exactly one 'b'.

PUMPED STRING s = x · y¹ · z
a COUNT 4
b COUNT 4
STRING LENGTH 8
RATIO (a:b) 1:1
|xy| = 4 ≤ p = 4
|y| = 2 > 0
X — PREFIX Y — PUMPABLE LOOP Z — SUFFIX
LANGUAGE TEST: ACCEPTED ✓

a Count matches b Count. Sequence accepted.