Is there an easier way to get from Q to T in larger situations?
]Q=:4 4$'ABCDEFGHIJKLMNOP'
ABCD
EFGH
IJKL
MNOP
]R=: (1|.'ABCD'),(2|.'EFGH'),(3|.'IJKL'),:0|.'MNOP'
BCDA
GHEF
LIJK
MNOP
]S=:1 2 3 0 |."1 Q
|length error
| ]S=:1 2 3 0 |."1 Q
]T=:(|.i.4)|.!.' '"0 1 R
A
EF
IJK
MNOP
Linda
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