B33113313132313113313223313331323133313223313231333133313113313233211112331   >>    B3311331313231311331322331333132313331322331323133313331311331323321111233   <<    B33113313132313113313223313331323133313223313231333133313113313233211112333   >>      B33113313132313113313223313331323133313223313231333133313113313233211112332   >>