Arc1, arc2 and arc3 are available at <a href="https:&#x2F;&#x2F;github.com&#x2F;arclanguage&#x2F;anarki&#x2F;commits&#x2F;official" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;arclanguage&#x2F;anarki&#x2F;commits&#x2F;official</a>