Even taps: 1, 3
Odd taps: -2, 1
Direct outputs: -43, 1191, -46239, 2548371
Polyphase outputs: -43, 1191, -46239, 2548371
Missing-advance control: -181 (correct: 1191)
Finite comparisons: 600 signal cases and 468 impulse cases
PASS: exact polyphase/tap split
