You must have at least eight slots of seed before starting. Choose the following plants: Repeaters, Gatling Peas, Tall Nuts, Tangle Kelps, Lily Pads, Torchwoods, Coffee Beans, and Magnet-Shrooms, After you pick them up, set up the following layout. Put two Repeaters from the back columns on every row (except the pool). Put only one Repeater on the back columns on every pool row (use Lily Pads first). Change the Repeaters on the pool to become Gatling Peas Put Torchwoods in front of the Repeaters and Gatling Peas (on the pool use Lily Pads first). Then, give the space a column and plant the Magnet-Shrooms on the lawn only. Wake them up with Coffee Beans. In front of the Magnet-Shrooms on the lawn, plant the Tall Nuts. Note: Plant the Tangle Kelps on the last time. The layout should appear as follows.
R R T <> M N
R R T <> M N
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G T K..
G T K..
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R R T <> M N
R R T <> M N
R = Repeaters
G = Gatling Peas
T = Torchwoods
K = Tangle Kelps
M = Magnet-Shrooms that have been awakened
N = Tall nuts