Code this patterns:-



2
46
81012
14161820
2224262830
1
35
7911
13151719
2123252729
#####
####
###
##
#
A
AB
ABC
ABCD
ABCDE
ABCDE
ABCD
ABC
AB
A
ZYXWV
ZYXW
ZYX
ZY
Z
01010
0101
010
01
0
12345
1234
123
12
1
54321
5432
543
54
5
A
BC
DEF
GHIJ
KLMNO