data: add train-v2 (alpha-flattened, transparent margin cropped) (part 9)

data: add train-v2 (alpha-flattened, transparent margin cropped) (part 8)

data: add train-v2 (alpha-flattened, transparent margin cropped) (part 7)

data: add train-v2 (alpha-flattened, transparent margin cropped) (part 6)

data: add train-v2 (alpha-flattened, transparent margin cropped) (part 5)

data: add train-v2 (alpha-flattened, transparent margin cropped) (part 4)

data: add train-v2 (alpha-flattened, transparent margin cropped) (part 3)

data: add train-v2 (alpha-flattened, transparent margin cropped) (part 2)

data: add train-v2 (alpha-flattened, transparent margin cropped)