B33113313132313113313223313331323132313233313112331323223313232212331   >>    B3311331313231311331322331333132313231323331311233132322331323221233   <<    B33113313132313113313223313331323132313233313112331323223313232212333   >>      B33113313132313113313223313331323132313233313112331323223313232212332   >>