1ECHO: "text_1bytes_len = ", "1234", " len = ", 4
2ECHO: "text_2bytes_len = ", "ЛЛЛЛ", " len = ", 4
3ECHO: "text_4bytes_len = ", "��������", " len = ", 4
4ECHO: "[", 0, "] = ", "DEADBEEF", " of len=", 8, ":"
5ECHO: "    [", 0, "]=", "D"
6ECHO: "    [", 1, "]=", "E"
7ECHO: "    [", 2, "]=", "A"
8ECHO: "    [", 3, "]=", "D"
9ECHO: "    [", 4, "]=", "B"
10ECHO: "    [", 5, "]=", "E"
11ECHO: "    [", 6, "]=", "E"
12ECHO: "    [", 7, "]=", "F"
13ECHO: "[", 1, "] = ", "Ленивый рыжий кот", " of len=", 17, ":"
14ECHO: "    [", 0, "]=", "Л"
15ECHO: "    [", 1, "]=", "е"
16ECHO: "    [", 2, "]=", "н"
17ECHO: "    [", 3, "]=", "и"
18ECHO: "    [", 4, "]=", "в"
19ECHO: "    [", 5, "]=", "ы"
20ECHO: "    [", 6, "]=", "й"
21ECHO: "    [", 7, "]=", " "
22ECHO: "    [", 8, "]=", "р"
23ECHO: "    [", 9, "]=", "ы"
24ECHO: "    [", 10, "]=", "ж"
25ECHO: "    [", 11, "]=", "и"
26ECHO: "    [", 12, "]=", "й"
27ECHO: "    [", 13, "]=", " "
28ECHO: "    [", 14, "]=", "к"
29ECHO: "    [", 15, "]=", "о"
30ECHO: "    [", 16, "]=", "т"
31ECHO: "[", 2, "] = ", "كسول الزنجبيل القط", " of len=", 18, ":"
32ECHO: "    [", 0, "]=", "ك"
33ECHO: "    [", 1, "]=", "س"
34ECHO: "    [", 2, "]=", "و"
35ECHO: "    [", 3, "]=", "ل"
36ECHO: "    [", 4, "]=", " "
37ECHO: "    [", 5, "]=", "ا"
38ECHO: "    [", 6, "]=", "ل"
39ECHO: "    [", 7, "]=", "ز"
40ECHO: "    [", 8, "]=", "ن"
41ECHO: "    [", 9, "]=", "ج"
42ECHO: "    [", 10, "]=", "ب"
43ECHO: "    [", 11, "]=", "ي"
44ECHO: "    [", 12, "]=", "ل"
45ECHO: "    [", 13, "]=", " "
46ECHO: "    [", 14, "]=", "ا"
47ECHO: "    [", 15, "]=", "ل"
48ECHO: "    [", 16, "]=", "ق"
49ECHO: "    [", 17, "]=", "ط"
50ECHO: "[", 3, "] = ", "懶惰的姜貓", " of len=", 5, ":"
51ECHO: "    [", 0, "]=", "懶"
52ECHO: "    [", 1, "]=", "惰"
53ECHO: "    [", 2, "]=", "的"
54ECHO: "    [", 3, "]=", "姜"
55ECHO: "    [", 4, "]=", "貓"
56ECHO: "[", 4, "] = ", "äöü ÄÖÜ ß", " of len=", 9, ":"
57ECHO: "    [", 0, "]=", "ä"
58ECHO: "    [", 1, "]=", "ö"
59ECHO: "    [", 2, "]=", "ü"
60ECHO: "    [", 3, "]=", " "
61ECHO: "    [", 4, "]=", "Ä"
62ECHO: "    [", 5, "]=", "Ö"
63ECHO: "    [", 6, "]=", "Ü"
64ECHO: "    [", 7, "]=", " "
65ECHO: "    [", 8, "]=", "ß"
66ECHO: "[", 5, "] = ", "��������������������������������", " of len=", 16, ":"
67ECHO: "    [", 0, "]=", "��"
68ECHO: "    [", 1, "]=", "��"
69ECHO: "    [", 2, "]=", "��"
70ECHO: "    [", 3, "]=", "��"
71ECHO: "    [", 4, "]=", "��"
72ECHO: "    [", 5, "]=", "��"
73ECHO: "    [", 6, "]=", "��"
74ECHO: "    [", 7, "]=", "��"
75ECHO: "    [", 8, "]=", "��"
76ECHO: "    [", 9, "]=", "��"
77ECHO: "    [", 10, "]=", "��"
78ECHO: "    [", 11, "]=", "��"
79ECHO: "    [", 12, "]=", "��"
80ECHO: "    [", 13, "]=", "��"
81ECHO: "    [", 14, "]=", "��"
82ECHO: "    [", 15, "]=", "��"
83ECHO: "[", 6, "] = ", "⠁⠂⠃⠄⠅⠆⠇⠈⠉⠊⠋⠌⠍⠎⠏", " of len=", 15, ":"
84ECHO: "    [", 0, "]=", "⠁"
85ECHO: "    [", 1, "]=", "⠂"
86ECHO: "    [", 2, "]=", "⠃"
87ECHO: "    [", 3, "]=", "⠄"
88ECHO: "    [", 4, "]=", "⠅"
89ECHO: "    [", 5, "]=", "⠆"
90ECHO: "    [", 6, "]=", "⠇"
91ECHO: "    [", 7, "]=", "⠈"
92ECHO: "    [", 8, "]=", "⠉"
93ECHO: "    [", 9, "]=", "⠊"
94ECHO: "    [", 10, "]=", "⠋"
95ECHO: "    [", 11, "]=", "⠌"
96ECHO: "    [", 12, "]=", "⠍"
97ECHO: "    [", 13, "]=", "⠎"
98ECHO: "    [", 14, "]=", "⠏"
99ECHO: "[", 7, "] = ", "��������", " of len=", 4, ":"
100ECHO: "    [", 0, "]=", "��"
101ECHO: "    [", 1, "]=", "��"
102ECHO: "    [", 2, "]=", "��"
103ECHO: "    [", 3, "]=", "��"
104ECHO: "Past end of unicode only 2-byte ", undef
105ECHO: "Past end of unicode only 4-byte ", undef
106ECHO: "Past end of both 2-byte ", undef
107ECHO: "Past end of both 4-byte ", undef
108