B33113313132313113313223313331323132313331333133112121211111232313232233131   >>    B3311331313231311331322331333132313231333133313311212121111123231323223313   <<    B33113313132313113313223313331323132313331333133112121211111232313232233133   >>      B33113313132313113313223313331323132313331333133112121211111232313232233132   >>