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---11-12-11----11-12-11----11-12-11----11-12-11----
------------12----------12----------12----------12-
---------------------------------------------------
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---11-12-11----11-12-11----11-12-11----11-12-11----
------------12----------12----------12----------12-
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u can repeat the pattern as many times as u feel like it  u start off slow in the beginning then speed up in the middle and at the end gradually slow down to a stop 

                                                  thanxz
                                                    Gunnar