Minor blues in C# minor

i7 – i7 – i7 – i7 – iv7 – iv7 – i7 – i7 – ♭VI7 – V7 – i7 – V7: C#m7 → C#m7 → C#m7 → C#m7 → F#m7 → F#m7 → C#m7 → C#m7 → A7 → A♭7 → C#m7 → A♭7