[20-Ab]

[18-Ca]

[19-Aa]

[18-Ba]

[19-Ba]

[19-Cb]

[18-Aa]

[18-Bb]

[a-7]

[19-Ab]

[a-9]

[a-8]

[19-Ca]

[20-Aa]

[20-Bb]

[20-Ba]

[20-Cb]

[20-Ca]

[a-16]

[a-17]

[a-18]