B33113313132313113313223313331323133313223313231333131122112312233231   >>    B3311331313231311331322331333132313331322331323133313112211231223323   <<    B33113313132313113313223313331323133313223313231333131122112312233233   >>      B33113313132313113313223313331323133313223313231333131122112312233232   >>