B33113313132313113313223313331323133313223313231333131122112323221121231   >>    B3311331313231311331322331333132313331322331323133313112211232322112123   <<    B33113313132313113313223313331323133313223313231333131122112323221121233   >>      B33113313132313113313223313331323133313223313231333131122112323221121232   >>