Comment by pseudonym

It doesn't give you the same piece every time. If it did, you could finish a line just by lining each S-shaped piece on it's long end.

I managed to pull off a 4-line score: 20C2 AAAA AAAA 8CAA AAAA AAAA AEAA AAAA A5EA AAAA AD5A A2AA 0000 AA32 0AAA AAAA B0A9 552A AAAA ADAA AAAA B62A AAAA AB2A AAAA A8C2 AAAA AAA3 2AAA AAAA D58A AAAD AAAA A8C0 2AAA A8C2 2AAA AA39 AAAA B0AA AAAA 3AAA A8C8 AAAA A36A A3AA A32A AA30 02AA 8C0A AA8C 2AA9 5DAA AAAA AA9D 55AA AAAA AA75 5AAA AAA9 55AA AAAA 15AA AAA9 D54A AAAB 9AAA 46AA A808 AAA0 AAA1 556A AAB5 55AA AAAA