Data pack 3 / Track background gfx & layout

Address(*) sizeData
Track background graphics
20000 -> 20147 (*)148Mario Circuit (2bpp)
20148 -> 20355 (*)20EGhost Valley (2bpp)
20356 -> 20522 (*)1CDDonut Plains (2bpp)
20523 -> 205EA (*)C8Bowser Castle (2bpp)
205EB -> 206B4 (*)CAVanilla Lake (2bpp)
206B5 -> 208A1 (*)1EDChoco Island (2bpp)
208A2 -> 20B2E (*)28DKoopa Beach (2bpp)
+ Mario Circuit bg layout
Track background layouts
20946 -> 20B2E (*)1E9Mario Circuit
20B2F -> 20B33-Unused space
20B34 -> 20CF2 (*)1BFGhost Valley
20CF3 -> 20E84 (*)192Donut Plains
20E85 -> 21125 (*)2A1Bowser Castle
21126 -> 2124B (*)126Vanilla Lake
2124C -> 213A7 (*)15CChoco Island
213A8 -> 214ED (*)146Koopa Beach

The Rainbow Road background graphics and layout are located elsewhere:
The graphics are at 1499, and the layout is at 7718A.