If for \( 3 \leq r \leq 30 \), \( ^{30}C_{30-r} + 3 \left( ^{30}C_{31-r} \right) + 3 \left( ^{30}C_{32-r} \right) + ^{30}C_{33-r} = ^m C_r \), then \( m \) equals to_________
The number of relations defined on the set \( \{a, b, c, d\} \) that are both reflexive and symmetric is equal to: