can someone explain why there are 6 equivalence classes in this question ?

L={w:for any prefix u of w |#_{0}(u)-2#_{1}(u) <=2}

thanks

- Instructors
- Prof. Nachum Dershowitz

Prof. Yishay Mansour - Assistants
- Ori Lahav

Mariano Schain

- Exam: Jul. 3
^{rd} - Moed B: Sep. 6
^{th}

**Exam moed B**

(11 Sep 2011 17:01)

**Exam**

(21 Jul 2011 07:22)

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