B33113313132313113313223313331323132313233313112331323223313231331123311   >>    B3311331313231311331322331333132313231323331311233132322331323133112331   <<    B33113313132313113313223313331323132313233313112331323223313231331123313   >>      B33113313132313113313223313331323132313233313112331323223313231331123312   >>