Monadic Right Shoe means
If ⎕ML<2Disclose;First
⊃ 'Word'
W
⊃ (1 2)(3 4 5)
1 2
If ⎕ML≥2Mix
⊃ (2 2)(3 3 3) 2 2 0 3 3 3
Dyadic Right Shoe means
3 ⊃ 'Word'
r
2 ⊃ (1 2)(3 4 5)
3 4 5
2 1 ⊃ (1 2)(3 4 5)
3
If ⎕ML<2Disclose;First
⊃ 'Word'
W
⊃ (1 2)(3 4 5)
1 2
If ⎕ML≥2Mix
⊃ (2 2)(3 3 3) 2 2 0 3 3 3
3 ⊃ 'Word'
r
2 ⊃ (1 2)(3 4 5)
3 4 5
2 1 ⊃ (1 2)(3 4 5)
3