My attempt:
I want to knit a circular afghan for the couch
in my guest room.

I use two different types of yarn (two strands held together).
Start weight of the cakes:
Holst Uld: 550 g with cone
Wollmeise Lace: 333 g (323 + 10 g)

Cast On: 27.07.12 22.00 PM (CET)
Bind Off: 04.08.12 10.24 AM (CET)

total weight: 558 grams

Yarn:

Chart A
7 g Wollmeise
7 g Holst

Decrease round + next round
1 g Wollmeise
1 g Holst

Chart B
14 g Wollmeise
12 g Holst

all rounds between B and C
2 g Wollmeise
2 g Holst

Chart C
54 g Wollmeise
47 g Holst

all rounds between C and D
17 g Wollmeise
12 g Holst

Chart D
139 g Wollmeise
116 g Holst

all rounds between D and E
7 g Wollmeise
6 g Holst

Chart E
62 g Wollmeise
58 g Holst