B331322121123313232233132112323331323132313113313331323233231321   >>    B33132212112331323223313211232333132313231311331333132323323132   <<    B331322121123313232233132112323331323132313113313331323233231323   >>      B331322121123313232233132112323331323132313113313331323233231322   >>