B33113313132313113313223313331323133313223313231333131122112323132213111121   >>    B3311331313231311331322331333132313331322331323133313112211232313221311112   <<    B33113313132313113313223313331323133313223313231333131122112323132213111123   >>      B33113313132313113313223313331323133313223313231333131122112323132213111122   >>