B33113313132313113313223313331323133313223313231333132313232233132231231   >>    B3311331313231311331322331333132313331322331323133313231323223313223123   <<    B33113313132313113313223313331323133313223313231333132313232233132231233   >>      B33113313132313113313223313331323133313223313231333132313232233132231232   >>