B33113313132313113313223313331323132322331323321323133313331322132313231121   >>    B3311331313231311331322331333132313232233132332132313331333132213231323112   <<    B33113313132313113313223313331323132322331323321323133313331322132313231123   >>      B33113313132313113313223313331323132322331323321323133313331322132313231122   >>