This is a pattern for a multi-color top with cap sleeves.
Back and front are crocheted creating a jacquard look, then joined at shoulders and side (creating cap sleeves) and edging applied.

The pattern has some written instructions accompanied by a clear chart and diagram.

Skill Level = Advanced

MATERIALS
Crochet hooks: US Size 5/F and US Steel size 2
50 gram balls of crochet or knitting cotton
1 each red, orange, yellow, green, blue
4/5 of white depending on the size

Stitches
Chain, SC, HDC, DC, TR, Shell