B331322121123313232233132112323331323133313223313331333133313113313331311122321   >>    B33132212112331323223313211232333132313331322331333133313331311331333131112232   <<    B331322121123313232233132112323331323133313223313331333133313113313331311122323   >>      B331322121123313232233132112323331323133313223313331333133313113313331311122322   >>