2/14 is the correct way, but if number 2 has several staircases (typically the case of a 2-14) it would be 2/3/14 (or typically 2-14/3/14) with 3 being the stai

2/14 is the correct way, but if number 2 has several staircases (typically the case of a 2-14) it would be 2/3/14 (or typically 2-14/3/14) with 3 being the staircase number