B33113313132313113313223313331323132313331313232233133313231313232211211   >>    B3311331313231311331322331333132313231333131323223313331323131323221121   <<    B33113313132313113313223313331323132313331313232233133313231313232211213   >>      B33113313132313113313223313331323132313331313232233133313231313232211212   >>