Step 2:

1:
/summon armor_stand ~-0.05 ~0.740 ~-2.285 {Invisible:1b,NoGravity:1b,ShowArms:1b,Small:1b,ArmorItems:[{},{},{},{}],HandItems:[{id:"torch",Count:1b},{}],Pose:{RightArm:[270f,0f,0f]}}

2:
/summon armor_stand ~-0.05 ~0.740 ~-2.3 {Invisible:1b,NoGravity:1b,ShowArms:1b,Small:1b,ArmorItems:[{},{},{},{}],HandItems:[{id:"torch",Count:1b},{}],Pose:{RightArm:[270f,0f,0f]}}

3:
/summon armor_stand ~ ~0.740 ~-2.285 {Invisible:1b,NoGravity:1b,ShowArms:1b,Small:1b,ArmorItems:[{},{},{},{}],HandItems:[{id:"torch",Count:1b},{}],Pose:{RightArm:[270f,0f,0f]}}

4:
/summon armor_stand ~ ~0.740 ~-2.3 {Invisible:1b,NoGravity:1b,ShowArms:1b,Small:1b,ArmorItems:[{},{},{},{}],HandItems:[{id:"torch",Count:1b},{}],Pose:{RightArm:[270f,0f,0f]}}

5:
/summon armor_stand ~0.075 ~0.740 ~-2.285 {Invisible:1b,NoGravity:1b,ShowArms:1b,Small:1b,ArmorItems:[{},{},{},{}],HandItems:[{id:"lever",Count:1b},{}],Pose:{RightArm:[270f,0f,0f]}}

6:
/summon armor_stand ~0.075 ~0.740 ~-2.3 {Invisible:1b,NoGravity:1b,ShowArms:1b,Small:1b,ArmorItems:[{},{},{},{}],HandItems:[{id:"lever",Count:1b},{}],Pose:{RightArm:[270f,0f,0f]}}

7:
/summon armor_stand ~-0.05 ~0.740 ~-2.21 {Invisible:1b,NoGravity:1b,ShowArms:1b,Small:1b,ArmorItems:[{},{},{},{}],HandItems:[{id:"lever",Count:1b},{}],Pose:{RightArm:[270f,0f,0f]}}

8:
/summon armor_stand ~-0.05 ~0.740 ~-2.225 {Invisible:1b,NoGravity:1b,ShowArms:1b,Small:1b,ArmorItems:[{},{},{},{}],HandItems:[{id:"lever",Count:1b},{}],Pose:{RightArm:[270f,0f,0f]}}

9:
/summon armor_stand ~0.43 ~0.740 ~-2.285 {Invisible:1b,NoGravity:1b,ShowArms:1b,Small:1b,ArmorItems:[{},{},{},{}],HandItems:[{id:"lever",Count:1b},{}],Pose:{RightArm:[270f,0f,0f]}}

10:
/summon armor_stand ~0.43 ~0.740 ~-2.3 {Invisible:1b,NoGravity:1b,ShowArms:1b,Small:1b,ArmorItems:[{},{},{},{}],HandItems:[{id:"lever",Count:1b},{}],Pose:{RightArm:[270f,0f,0f]}}

11:
/summon armor_stand ~0.38 ~0.740 ~-2.285 {Invisible:1b,NoGravity:1b,ShowArms:1b,Small:1b,ArmorItems:[{},{},{},{}],HandItems:[{id:"lever",Count:1b},{}],Pose:{RightArm:[270f,0f,0f]}}

12:
/summon armor_stand ~0.38 ~0.740 ~-2.3 {Invisible:1b,NoGravity:1b,ShowArms:1b,Small:1b,ArmorItems:[{},{},{},{}],HandItems:[{id:"lever",Count:1b},{}],Pose:{RightArm:[270f,0f,0f]}}

13:
/summon armor_stand ~0.33 ~0.740 ~-2.285 {Invisible:1b,NoGravity:1b,ShowArms:1b,Small:1b,ArmorItems:[{},{},{},{}],HandItems:[{id:"lever",Count:1b},{}],Pose:{RightArm:[270f,0f,0f]}}

14:
/summon armor_stand ~0.33 ~0.740 ~-2.3 {Invisible:1b,NoGravity:1b,ShowArms:1b,Small:1b,ArmorItems:[{},{},{},{}],HandItems:[{id:"lever",Count:1b},{}],Pose:{RightArm:[270f,0f,0f]}}

15:
/summon armor_stand ~0.28 ~0.740 ~-2.285 {Invisible:1b,NoGravity:1b,ShowArms:1b,Small:1b,ArmorItems:[{},{},{},{}],HandItems:[{id:"lever",Count:1b},{}],Pose:{RightArm:[270f,0f,0f]}}

16:
/summon armor_stand ~0.28 ~0.740 ~-2.3 {Invisible:1b,NoGravity:1b,ShowArms:1b,Small:1b,ArmorItems:[{},{},{},{}],HandItems:[{id:"lever",Count:1b},{}],Pose:{RightArm:[270f,0f,0f]}}

17:
/summon armor_stand ~0.43 ~0.740 ~-2.21 {Invisible:1b,NoGravity:1b,ShowArms:1b,Small:1b,ArmorItems:[{},{},{},{}],HandItems:[{id:"lever",Count:1b},{}],Pose:{RightArm:[270f,0f,0f]}}

18:
/summon armor_stand ~0.43 ~0.740 ~-2.225 {Invisible:1b,NoGravity:1b,ShowArms:1b,Small:1b,ArmorItems:[{},{},{},{}],HandItems:[{id:"lever",Count:1b},{}],Pose:{RightArm:[270f,0f,0f]}}

19:
/summon armor_stand ~0.43 ~0.740 ~-1.9 {Invisible:1b,NoGravity:1b,ShowArms:1b,Small:1b,ArmorItems:[{},{},{},{}],HandItems:[{id:"lever",Count:1b},{}],Pose:{RightArm:[270f,0f,0f]}}

20:
/summon armor_stand ~0.43 ~0.740 ~-1.915 {Invisible:1b,NoGravity:1b,ShowArms:1b,Small:1b,ArmorItems:[{},{},{},{}],HandItems:[{id:"lever",Count:1b},{}],Pose:{RightArm:[270f,0f,0f]}}