a { b
        a } b
        a [ b
        a ] b
        a (
        a ) b
        a :: b
        a : b
        a .. b
        a ... b
        a ..= b
        a = b
        a != b
        a == b
        a ! b
        a += b
        a + b
        a -= b
        a - b
        a # b
        a |= b
        a &= b
        a & b
        a | b
        a < b
        a ^= b
        a *= b
        a * b
        a /= b
        a / b
        a %= b
        a % b
        a > b
        a -> b
        a => b
        a ? b
        a ~ b
        a @ b
        a $ b
        a ; b
        a . b
        a && b
        a || b
        a << b
        a >> b
        a <<= b
        a >>= b
        a >= b
        a <= b
        a ' b
        a _ b
// 22
/* 1 */
/** 2 **/