B33113313132313113313223313331323132313233313331311321322123311   >>    B3311331313231311331322331333132313231323331333131132132212331   <<    B33113313132313113313223313331323132313233313331311321322123313   >>      B33113313132313113313223313331323132313233313331311321322123312   >>