B331322121123313232233132112323331323133313223313331333133313233112311   >>    B33132212112331323223313211232333132313331322331333133313331323311231   <<    B331322121123313232233132112323331323133313223313331333133313233112313   >>      B331322121123313232233132112323331323133313223313331333133313233112312   >>