Nibbles version: 0.2 | 0.21 | 0.22 | 0.23 | 0.24 | 0.25 | 1.00

Depth	Lit	Desc	Type	Arg	Let
0	`:`	append	[[chr]]
* 1	`1`	integer	int
* 1	`'	transpose	[[chr]]
** 2	`+`	add	[chr]
*** 3	`'@'`	char	chr
*** 3	`!`	zip with	[int]
**** 4	`<	sort	[int]
***** 5	`$	uniq	[int]
****** 6	`;`	save	[int]		D:[int]
******* 7	`.`	map	[int]
******** 8	`;`	save	[int]		A:[int]
********* 9	`<<`	init	[int]
********** 10	`>>`	tail	[int]
*********** 11	`,`	range from 1	[int]
************ 12	`$`	= fstInt	int
******** 8	`?`	index	int	B:int
********* 9	`@`	= A	[int]
********* 9	`~`	by	null
********* 9	`~`	not	null
********* 9	`%`	modulus	int	C:int
********** 10	`@`	= B	int
********** 10	`$`	= C	int
**** 4	`@`	= D	[int]	E:int
**** 4	`?`	zipop: index	null