holeStart, holeEnd := sr.sp[0].Offset, sr.sp[0].endOffset()
		if sr.pos < holeStart { // In a data fragment
			bf := b[:min(int64(len(b)), holeStart-sr.pos)]
			nf, err = tryReadFull(sr.fr, bf)
		} else { // In a hole fragment
			bf := b[:min(int64(len(b)), holeEnd-sr.pos)]
			nf, err = tryReadFull(zeroReader{}, bf)
		}
		b = b[nf:]
		sr.pos += int64(nf)
		if sr.pos >= holeEnd && len(sr.sp) > 1 {

00000030  c1 0e be 18 39 d0 e9 e5  ed 87 92 6e 61 3f 68 e5  |....9......na?h.|
00000040  ed 1d a5 cc 43 d1 42 28  be 4d 31 11 27 f7 dd 25  |....C.B(.M1.'..%|
00000050  58 b7 fc 76 bb 7c 06 d8  c2 69 0a 87 2b 54 bf 4e  |X..v.|...i..+T.N|
00000060  8a fa 54 db 78 d4 98 51  21 e4 32 28 49 31 51 c0  |..T.x..Q!.2(I1Q.|
00000070  a8 7e f0 97 d9 f3 f7 18  d7 a9 74 79 4d 2f 3f df  |.~........tyM/?.|

>>> Flow 1 (client to server)
00000000  16 03 01 00 39 01 00 00  35 03 01 51 7a 48 8d de  |....9...5..QzH..|
00000010  0b 30 0f 9a 91 56 30 20  30 dd bd 74 3b e2 d7 db  |.0...V0 0..t;...|
00000020  46 3d bf 6f b6 ae 53 8a  7d 18 50 00 00 04 00 0a  |F=.o..S.}.P.....|
00000030  00 ff 01 00 00 08 00 16  00 00 00 17 00 00        |..............|
>>> Flow 2 (server to client)
00000000  16 03 01 00 35 02 00 00  31 03 01 00 00 00 00 00  |....5...1.......|

>>> Flow 2 (server to client)
00000000  16 03 03 00 5d 02 00 00  59 03 03 01 ce 8f f1 84  |....]...Y.......|
00000010  65 dc 47 4e 43 f2 cd 85  6c 98 40 a7 5c 7f ed 53  |e.GNC...l.@.\..S|
00000020  78 63 03 dd 50 3e a4 27  20 21 bf 20 d9 93 9d f6  |xc..P>.' !. ....|
00000030  1f e8 0e 72 fc 64 e0 dd  8e ef b3 ea ff 5b ad 60  |...r.d.......[.`|
00000040  a5 f0 68 ff 7e 35 46 a4  28 71 31 fd cc a8 00 00  |..h.~5F.(q1.....|

000002b0  84 5c 21 d3 3b e9 fa e7  16 03 01 00 04 0e 00 00  |.\!.;...........|
000002c0  00                                                |.|
>>> Flow 3 (client to server)
00000000  16 03 01 00 86 10 00 00  82 00 80 b9 65 8d bf a7  |............e...|
00000010  c8 4b 79 ce 6f cb 8b 13  1c ac b9 7d 66 5e e9 ba  |.Ky.o......}f^..|
00000020  1d 71 4e a9 e9 34 ae f6  64 65 90 3b d8 16 52 a2  |.qN..4..de.;..R.|

00000000  16 03 01 00 6d 01 00 00  69 03 03 0a b6 18 8a 8f  |....m...i.......|
00000010  90 e2 fb ee cd e3 d5 62  53 17 45 bd b3 7f 53 4d  |.......bS.E...SM|
00000020  4e 06 62 66 25 60 b1 3f  96 b0 21 00 00 04 00 2f  |N.bf%`.?..!..../|
00000030  00 ff 01 00 00 3c 00 16  00 00 00 17 00 00 00 0d  |.....<..........|
00000040  00 30 00 2e 04 03 05 03  06 03 08 07 08 08 08 09  |.0..............|

00000020  cf c2 ed 90 99 5f 58 cb  3b 74 14 03 03 00 01 01  |....._X.;t......|
00000030  16 03 03 00 28 00 00 00  00 00 00 00 00 21 27 7f  |....(........!'.|
00000040  32 c6 19 c4 a9 13 bf 5e  4b 53 5f c3 47 64 bb f8  |2......^KS_.Gd..|
00000050  21 d5 10 12 12 60 5e d8  e8 cf 1e fe 18           |!....`^......|
>>> Flow 4 (server to client)
00000000  14 03 03 00 01 01 16 03  03 00 28 af e6 ee d0 75  |..........(....u|

00000060  5a 2a 5b d4 10 54 75 23  8d 39 4a 5b 51 80 48 f2  |Z*[..Tu#.9J[Q.H.|
00000070  16 64 e5 90 38                                    |.d..8|
>>> Flow 4 (server to client)
00000000  14 03 02 00 01 01 16 03  02 00 40 f8 77 bf c0 dd  |..........@.w...|
00000010  11 e1 3f 90 e0 1a c0 dc  a6 6a b2 81 9b 1b 63 bc  |..?......j....c.|
00000020  42 b6 23 b2 1f 95 36 38  56 f8 a4 e4 c1 c9 6f d2  |B.#...68V.....o.|

	0x0066, 0x0000, 0x0069, 0x0000, 0x006b, 0x006b, 0x006b, 0x006b,
	0x006b, 0x006b, 0x006b, 0x0000, 0x0073, 0x0000, 0x0075, 0x0000,
	0x0077, 0x0000, 0x0000, 0x007a, 0x0000, 0x007c, 0x0000, 0x007e,
	// Entry 80 - BF
	0x0000, 0x0080, 0x0080, 0x0000, 0x0083, 0x0083, 0x0000, 0x0086,
	0x0087, 0x0087, 0x0087, 0x0086, 0x0088, 0x0087, 0x0087, 0x0087,
	0x0086, 0x0087, 0x0087, 0x0087, 0x0087, 0x0087, 0x0087, 0x0088,

000002b0  84 5c 21 d3 3b e9 fa e7  16 03 03 00 04 0e 00 00  |.\!.;...........|
000002c0  00                                                |.|
>>> Flow 3 (client to server)
00000000  16 03 03 00 86 10 00 00  82 00 80 b9 65 8d bf a7  |............e...|
00000010  c8 4b 79 ce 6f cb 8b 13  1c ac b9 7d 66 5e e9 ba  |.Ky.o......}f^..|
00000020  1d 71 4e a9 e9 34 ae f6  64 65 90 3b d8 16 52 a2  |.qN..4..de.;..R.|