N⊂Q⊂Z⊂R\mathbb{N} \subset \mathbb{Q} \subset \mathbb{Z} \subset \mathbb{R}N⊂Q⊂Z⊂R
N⊂Z⊂Q⊂R\mathbb{N} \subset \mathbb{Z} \subset \mathbb{Q} \subset \mathbb{R}N⊂Z⊂Q⊂R
N⊂Z⊂R⊂Q\mathbb{N} \subset \mathbb{Z} \subset \mathbb{R} \subset \mathbb{Q}N⊂Z⊂R⊂Q
Z⊂N⊂Q⊂R\mathbb{Z} \subset \mathbb{N} \subset \mathbb{Q} \subset \mathbb{R}Z⊂N⊂Q⊂R
