Lesson 4 - 4 Quiz: Stock Data - Example split 3d into 2d arrays wrong

[nifri]

It says:

"We want to split into these 2d arrays:

[ [0, 2, 4], [6, 8, 10], [12, 14, 16], [18, 20, 22] ] [ [1, 3, 5], [7, 8, 11], [13, 15, 17], [19, 21, 23] ] "

The 8 that I highlighted bold should be a 9.