B33113313132313113313223313331323132333132313331311233132313232212323221211   >>    B3311331313231311331322331333132313233313231333131123313231323221232322121   <<    B33113313132313113313223313331323132333132313331311233132313232212323221213   >>      B33113313132313113313223313331323132333132313331311233132313232212323221212   >>