Key for version A
( 1) B
( 2) A
( 3) C
( 4) A
( 5) A
( 6) C
( 7) A
( 8) A
( 9) C
(10) B
(11) B
(12) C
(13) D
(14) C
(15) D
(16) D
(17) B
(18) A
(19) D
(20) A
(21) D
(22) B
(23) D
(24) C
(25) D
(26) C
(27) D
(28) C
(29) B
(30) B