B33113313132313113313223313331323132322331323321323133313331323131121112121   >>    B3311331313231311331322331333132313232233132332132313331333132313112111212   <<    B33113313132313113313223313331323132322331323321323133313331323131121112123   >>      B33113313132313113313223313331323132322331323321323133313331323131121112122   >>