mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF
mathpat: RIFF RAFF