1. Introduction

2. Observations
2.1. IRAM Observations
2.2. JCMT Observations

3. Calibration

4. Data release

5. Results
5.1. Overall survey
5.2. Detected lines and species
5.3. Line parameters

6. Discussion
6.1. Comparison with previous surveys
6.2. Kinematical types and associated components
6.3. The dynamics of sources A and B

7. Conclusions