I haven't ripped it out yet. I agree with the way you were reading it but the reason I was starting to question it was because the back was getting too long. Let me copy and post the email I sent to the company and their reply.
Her answer has also confused me. Shouldn't I be decreasing rows 1, 4, 8, etc???
I am having some trouble with pattern 9191. Hope you can help me. For the back it says: My questions are in red.
Work 25 [25:29:29:29:29] rows dec 1 st at each end of next and every foll 4th row. 81 [93:103:115:125:137] sts.
Do I start the dec on row 1 or row 26?
Work 7 [7:7:9:11:11] rows without shaping
Work 31 [31:19:13:7:7] rows inc 1 st at each end of next and every foll 6th row. 93 [105:111:121:129:141] sts.
Same question as above. Inc row 1 or 32?
Work 16 [16:32:40:48:48] rows inc 1 st at each end of every foll 8th row. 97 [109:119:131:141:153] sts.
Same question again. The set of instructions does not use the word "next".
Work 17 [17:17:19:23:23] rows without shaping.
You dec on the 1st row of the 25 rows as the instructions state ( so you dec on the 1st, 3rd, 5th, 9th, 13th, 17th, 21st and 25th rows).
work 16 rows (you dec on the 8th and the 16th row)
I do hope this helps