Design 1 :

Design 2 :
A	B	C	D
E	F	G	H

Design 3 :
A	B	C	D	E
F	G	H	I	J
K	L	M	N	O

Design 3 :
A	B	C	D
E	F	G	H

Design 4 :
A	B

Design 5 :
A	B

Design 6 :
A	B	C	D
E	F	G	H

Design 7 :
A	B

Design 8 :

Design 9 :
A	B

Design 10 :
A	B	C	D
E	F	G	H	I

Design 11 :
A	B	C

Design 12 :
A	B	C	D

Design 13 :
A	B	C	D	E

Design 14 :
A	B	C
D	E	F	G	H

Design 15 :
A	B	C
D	E	F	G

Design 16 :
A	B	C	D
E	F	G	H

Design 17 :
A	B	C	D	E

Design 18 :
A	B	C