Arduino 4 LED Patterns

1int Dpin1 = 2;
2int PWM1  = 3;
3int Dpin2  = 4;
4int PWM2  = 5;
5int
6  Dpin3 = 7;
7int PWM3  = 6;
8int Dpin4 = 8;
9int PWM4  = 9;
10int Dpin5 =
11  12;
12int PWM5  = 10;
13
14
15int t = 100;
16int led[] = {Dpin1,PWM1,Dpin2,PWM2,Dpin3,PWM3,Dpin4,PWM4,Dpin5,PWM5};
17int
18  turn = 10;
19
20void setup() {
21  for(int i = 0; i <= 10; i++){
22    pinMode(led[i],OUTPUT);
23  
24  }
25  
26}
27
28void loop() {
29   for(int i = 0; i<=turn; i++){
30
31      pat1();
32   }
33   for(int i = 0; i<=turn; i++){ 
34      pat2();
35
36   }
37   for(int i = 0; i<=turn; i++){
38      pat3();
39   }
40   for(int
41  i = 0; i<=turn; i++){
42      pat4();
43   }
44}
45  
46void pat1(){ 
47  for(int
48  i = 0; i <= 10; i++){
49    digitalWrite(led[i],HIGH);
50    delay(t);
51    digitalWrite(led[i],LOW);
52
53  }
54  for(int i = 10; i >= 0; i--){
55    digitalWrite(led[i],HIGH);
56    delay(t);
57
58    digitalWrite(led[i],LOW);
59  }
60}
61void pat2(){
62  for(int i = 0; i<=10;
63  i=i+2){
64    digitalWrite(led[i],HIGH);
65    delay(t);
66    digitalWrite(led[i],LOW);
67  
68  }
69  for(int i = 10; i>=0; i=i-2){
70    digitalWrite(led[i],HIGH);
71
72    delay(t);
73    digitalWrite(led[i],LOW);
74  }
75}
76void pat3(){
77  for(int
78  i = 0; i <= 10; i++){
79    digitalWrite(led[i],HIGH);
80    delay(t);
81  }
82
83  for(int i = 10; i >= 0; i--){
84    digitalWrite(led[i],LOW);
85    delay(t);
86
87  }
88}
89void pat4(){
90  for(int i = 0; i <= 4; i++){
91    digitalWrite(led[i],HIGH);
92
93  }
94  delay(500);
95  for(int i = 0; i <= 4; i++){
96    digitalWrite(led[i],LOW);
97
98  }
99  
100
101  
102  for(int i = 5; i <= 10; i++){
103    digitalWrite(led[i],HIGH);
104
105  }
106  delay(500);
107  for(int i = 5; i <= 10; i++){
108    digitalWrite(led[i],LOW);
109
110  }
111
112}
113