B331322121123313232233132112323331323132313113313331323123232311   >>    B33132212112331323223313211232333132313231311331333132312323231   <<    B331322121123313232233132112323331323132313113313331323123232313   >>      B331322121123313232233132112323331323132313113313331323123232312   >>