LED Patterns change using Push button

1int button = 13;
2int t = 100;
3int q = 0; 
4void setup() {
5  for(int i = 2; i <= 11; i++){
6    pinMode(i,OUTPUT);
7  }
8  pinMode(button,INPUT);
9}
10
11void  loop() {
12
13if(digitalRead(13) == HIGH){
14    digitalWrite(2,HIGH);
15    delay(t);
16  
17  }
18  if(q == '1'){
19    pat1();
20  }
21  if(q == '2'){
22    pat2();
23  }
24  if(q == '3'){
25    pat3();
26  }
27  if(q == '4'){
28    pat4();
29  }
30
31}
32void pat1(){
33  for(int i = 2; i <- 11; i++){
34    digitalWrite(i,HIGH);
35    delay(t);
36    digitalWrite(i,LOW);
37  }
38  for(int i = 11; i >= 2; i++){
39    digitalWrite(i,HIGH);
40    delay(t);
41    digitalWrite(i,LOW);
42  }
43}
44void  pat2(){
45  for(int i = 2; i <= 11; i++){
46    digitalWrite(i,HIGH);
47  }
48  delay(1000);
49  for(int i = 2; i<= 11; i++){
50    digitalWrite(i,LOW);
51  }
52}
53void pat3(){
54  for(int i = 2; i <= 6; i++){
55    digitalWrite(i,HIGH);
56  }
57  delay(500);
58  for(int i = 7; i <= 11; i++){
59    digitalWrite(i,LOW);
60  }
61  for(int i = 7; i <= 11; i++){
62    digitalWrite(i,HIGH);
63  }
64  delay(500);
65  
66  for(int i = 9; i <= 13; i++){
67    digitalWrite(i,LOW);
68  }
69}
70
71void  pat4(){
72  int d = 1;
73  for(int a = 2; a<=11; a++){
74    digitalWrite(a,HIGH);
75    digitalWrite((a - d),HIGH);
76    delay(t);
77
78    digitalWrite(a,LOW);
79    digitalWrite((a - d),LOW);
80
81    d = d + 2;
82  }  
83}
84

1int button = 13;
2int t = 100;
3int q = 0; 
4void setup() {
5
6  for(int i = 2; i <= 11; i++){
7    pinMode(i,OUTPUT);
8  }
9  pinMode(button,INPUT);
10}
11
12void
13  loop() {
14
15if(digitalRead(13) == HIGH){
16    digitalWrite(2,HIGH);
17    delay(t);
18
19  
20  }
21  if(q == '1'){
22    pat1();
23  }
24  if(q == '2'){
25    pat2();
26
27  }
28  if(q == '3'){
29    pat3();
30  }
31  if(q == '4'){
32    pat4();
33
34  }
35
36}
37void pat1(){
38  for(int i = 2; i <- 11; i++){
39    digitalWrite(i,HIGH);
40
41    delay(t);
42    digitalWrite(i,LOW);
43  }
44  for(int i = 11; i >= 2; i++){
45
46    digitalWrite(i,HIGH);
47    delay(t);
48    digitalWrite(i,LOW);
49  }
50}
51void
52  pat2(){
53  for(int i = 2; i <= 11; i++){
54    digitalWrite(i,HIGH);
55  }
56
57  delay(1000);
58  for(int i = 2; i<= 11; i++){
59    digitalWrite(i,LOW);
60
61  }
62}
63void pat3(){
64  for(int i = 2; i <= 6; i++){
65    digitalWrite(i,HIGH);
66
67  }
68  delay(500);
69  for(int i = 7; i <= 11; i++){
70    digitalWrite(i,LOW);
71
72  }
73  for(int i = 7; i <= 11; i++){
74    digitalWrite(i,HIGH);
75  }
76  delay(500);
77
78  
79  for(int i = 9; i <= 13; i++){
80    digitalWrite(i,LOW);
81  }
82}
83
84void
85  pat4(){
86  int d = 1;
87  for(int a = 2; a<=11; a++){
88    digitalWrite(a,HIGH);
89
90    digitalWrite((a - d),HIGH);
91    delay(t);
92
93    digitalWrite(a,LOW);
94
95    digitalWrite((a - d),LOW);
96
97    d = d + 2;
98  }  
99}
100