B33113313132313113313223313331323131323133313232233132313331323221121231   >>    B3311331313231311331322331333132313132313331323223313231333132322112123   <<    B33113313132313113313223313331323131323133313232233132313331323221121233   >>      B33113313132313113313223313331323131323133313232233132313331323221121232   >>