B331322121123313232233132112323331323133313223313331333131112311   >>    B33132212112331323223313211232333132313331322331333133313111231   <<    B331322121123313232233132112323331323133313223313331333131112313   >>      B331322121123313232233132112323331323133313223313331333131112312   >>