B331322121123313232233132112323331323133313113313331323132313223321   >>    B33132212112331323223313211232333132313331311331333132313231322332   <<    B331322121123313232233132112323331323133313113313331323132313223323   >>      B331322121123313232233132112323331323133313113313331323132313223322   >>