B331322121123313232233132112323331323133313121111331311331121211   >>    B33132212112331323223313211232333132313331312111133131133112121   <<    B331322121123313232233132112323331323133313121111331311331121213   >>      B331322121123313232233132112323331323133313121111331311331121212   >>