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We introduce new realistic brane-solutions with exponential scale factors inthe 6D-space-time. We show that for these solutions the zero modes of all bulkfields are sharply localized at different positions on the brane and have"Gaussian shape" wave-functions in the extra space. We also explicitly showthat in the model there are cases when exactly three fermion generationsnaturally arise only through gravity. Because of localized fermion modes arealso stuck at different positions in the extra space, there is possibility toprovide a framework for natural explaining the fermion mass hierarchy in termsof higher dimensional geography.Comment: 6 pages, revtex4,new section added, explicit forms of wavefunctions  and of source functions added,corrected typo

Fermions on the brane in 6D with non-singular exponential scale factors