B33113313132313113313223313331323132313233313112331323223313231333112122311   >>    B3311331313231311331322331333132313231323331311233132322331323133311212231   <<    B33113313132313113313223313331323132313233313112331323223313231333112122313   >>      B33113313132313113313223313331323132313233313112331323223313231333112122312   >>