B33113313132313113313223313331323133313223313231333133313221211113313122131   >>    B3311331313231311331322331333132313331322331323133313331322121111331312213   <<    B33113313132313113313223313331323133313223313231333133313221211113313122133   >>      B33113313132313113313223313331323133313223313231333133313221211113313122132   >>