1 + 2 + 3 + 4 + 1 + 2 + 3 + 4 +
|----------------| |----------------|
|----1---2---1---|3 times |----1---2---1---|
|--2---2---2---2-| |--2---2---2-----|
|----------------| |--------------2-|.....the rest is synth again but
should be clear for everyone...