Version 1		Version 2		Version 3
1	d		c		b
2	a		b		c
3	b		a		c
4	c		a		b
5	d		a		b
6	a		d		b
7	c		a		d
8	b		a		c
9	b		a		c
10	d		c		b
11	c		d		b
12	a		b		d
13	a		d		b
14	c		a		b
15	c		a		b
16	c		a		d
17	a		c		b
18	c		d		b
19	d		c		b
20	b		a		c
21	c		a		b
22	d		a		b
23	a		d		d
24	a		b		c
25	d		c		a
26	c		d		a
27	b		a		d
28	d		c		c
29	d		c		a
30	c		d		a
31	a		c		b
32	c		a		d
33	b		a		d
34	b		a		c
35	b		d		a
36	b		c		a
37	c		d		a
38	d		b		c
39	d		c		a
40	d		c		a
41	a		d		b
42	d		a		b
43	d		b		c
44	b		d		c
45	c		b		d
46	d		c		b
47	c		d		d
48	d		c		d
49	d		d		d
50	b		d		d
51	d		b		a