B33113313132313113313223313331323231333132233132313231333132313231232311   >>    B3311331313231311331322331333132323133313223313231323133313231323123231   <<    B33113313132313113313223313331323231333132233132313231333132313231232313   >>      B33113313132313113313223313331323231333132233132313231333132313231232312   >>