
couch3f	couch3g	couch3h	couch3i	couch3j

couch4a	couch4b	couch4c	couch4d	couch4e

couch4f	couch4g	couch5a	couch5b	couch5c

couch5d	couch5e	couch5f	couch5g	couch5h

couch6a	couch6b	couch6c	couch6d	couch6e