6 players R1, R2, R3, R4, R5 and R6 run on 6 different days of a week starting from Monday to Saturday. No two players run on the same day. Only one player runs between R5 and R6. No player runs after R3. Only one player runs between R3 and R6. R5 runs before R6 and after R1. R4 runs before R6. Who runs on Tuesday?