From January 2014 on , a 19-unit set of the four - car 113 Series trains progressively started operating on the Sabadell , Terrassa and Reina Elisenda branches together with the 112 Series .
Head entity: 113 Q30936 13
Tail entity: 112 Q24970 31
Relation (head \u2192 tail): P156
Inverse relation (tail \u2192 head): P155