Updates To How To Solve The Cube In 37 Seconds

This page contains improvements to the algorithms in my book "How To Solve The Cube In 37 Seconds". The book was originally printed in 1982. These improvements were discovered by computer in 2007.

U EDGES Corners Unaffected

2E L'U'BDFLF'D'UL²U'L'B' 13

2F LUL'F'D'L²DLFU'L²U²L 13

2G LU²L²U'BLDL²D'B'L'UL 13

2H L²UF²R²D'FB'LF'B'DR²F² 13

4D LUL'F'ULBL'B'U²L'UF 13

5C LU'R'UF'L²U'LU'F'R'F²R² 13

5H LFUF'L'B²FD'R'DB²F' 12

U EDGES Corners Unaffected
2E	L'U'BDFLF'D'UL²U'L'B'	13
2F	LUL'F'D'L²DLFU'L²U²L	13
2G	LU²L²U'BLDL²D'B'L'UL	13
2H	L²UF²R²D'FB'LF'B'DR²F²	13
4D	LUL'F'ULBL'B'U²L'UF	13
5C	LU'R'UF'L²U'LU'F'R'F²R²	13
5H	LFUF'L'B²FD'R'DB²F'	12

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U EDGES Corners Affected

1H RB²UL'U'B'ULB'U'R'U² 12

2E LU²L'UBDF'LFD'B' 11

2H B'RBR'U²R'UF'UFR 11

3A L'BL'D²RF'R'D²L 10

3C LU'L'B'UBLUL²BLB' 12

3D RBU'B'R'F'UFU 9

3F FUF²LFL'FRUR'F'U 12

3H B'U²BLFU'RU²R'F'L' 11

U EDGES Corners Affected
1H	RB²UL'U'B'ULB'U'R'U²	12
2E	LU²L'UBDF'LFD'B'	11
2H	B'RBR'U²R'UF'UFR	11
3A	L'BL'D²RF'R'D²L	10
3C	LU'L'B'UBLUL²BLB'	12
3D	RBU'B'R'F'UFU	9
3F	FUF²LFL'FRUR'F'U	12
3H	B'U²BLFU'RU²R'F'L'	11

U CORNERS Edges Unaffected

1M LF²R'D²L²UL'DL'DL'U'R 12

1Q LUF'D'BL²B'LDFL²U²L'U²LU 12

1W LU²R²DR'U²R²D'L'RUL²F²L²U' 12

2I L²F'UF²U'L²UL²F'L²F'U'F 13

2J F'B'R'BL'B'RB²LFL'B'L 13

2L LRD²R'U'RD²R²UL'U'RU 13

2M F'L'BL²FR²F'L'FL'R²B'L 13

2N FU²F'L²BLBRB²LB'R'B 13

2O RU'R'B²R'B²UB²U'R²UR'B² 13

2P L²U'F²UR'F²DF²D'RF²D'L²D 14

2Q LF'L'BL²FLBLB²R'U²R 13

2U LF'L'B²L'DL²D'FDL²D'LB² 14

2V FR'F'RU²F²L'BL'B'L²F²U² 13

2W L'B²RB²LB'RFRF'RBU² 13

2X B²L²B²U'R'ULUL²U²RUL' 13

2Y L²F²R'F'RF'L²U²BL'B'LU² 13

3# LU'RD²R'UL'RU'LD²L'UR' 14

3B LFR'DBD'F²DB'D'FL'FRF' 15

3I L'U²L²F'L'F²RBU²B'R'F'U² 13

3J FU²L'BLB'U²F'L'U²L²U²L' 13

3K FU²F²L²UR²D'B²L²DR²UF' 13

3N LU²L'U²L'BL'F'L²B'LFL'U² 14

3Q LU²L²B²RD²L'D²L²B²R'U² 12

3S LUL'ULU²F²R'DR'D'R²F²L' 14

3T LRFL'BLF'B'R'BL'B' 12

3V L²F'R²FL²U²L²B'D²BL²U² 12

3W FRU'R'U²R'U²R²UR²URU'F' 14

4A F²R²FLF'R²F²R'F'L'FR 12

4I LUF'L²D²BDB'DL²F²U'F'L' 14

4V LULR²DLD'LR²URB²R'U² 14

U CORNERS Edges Unaffected
1M	LF²R'D²L²UL'DL'DL'U'R	12
1Q	LUF'D'BL²B'LDFL²U²L'U²LU	12
1W	LU²R²DR'U²R²D'L'RUL²F²L²U'	12
2I	L²F'UF²U'L²UL²F'L²F'U'F	13
2J	F'B'R'BL'B'RB²LFL'B'L	13
2L	LRD²R'U'RD²R²UL'U'RU	13
2M	F'L'BL²FR²F'L'FL'R²B'L	13
2N	FU²F'L²BLBRB²LB'R'B	13
2O	RU'R'B²R'B²UB²U'R²UR'B²	13
2P	L²U'F²UR'F²DF²D'RF²D'L²D	14
2Q	LF'L'BL²FLBLB²R'U²R	13
2U	LF'L'B²L'DL²D'FDL²D'LB²	14
2V	FR'F'RU²F²L'BL'B'L²F²U²	13
2W	L'B²RB²LB'RFRF'RBU²	13
2X	B²L²B²U'R'ULUL²U²RUL'	13
2Y	L²F²R'F'RF'L²U²BL'B'LU²	13
3#	LU'RD²R'UL'RU'LD²L'UR'	14
3B	LFR'DBD'F²DB'D'FL'FRF'	15
3I	L'U²L²F'L'F²RBU²B'R'F'U²	13
3J	FU²L'BLB'U²F'L'U²L²U²L'	13
3K	FU²F²L²UR²D'B²L²DR²UF'	13
3N	LU²L'U²L'BL'F'L²B'LFL'U²	14
3Q	LU²L²B²RD²L'D²L²B²R'U²	12
3S	LUL'ULU²F²R'DR'D'R²F²L'	14
3T	LRFL'BLF'B'R'BL'B'	12
3V	L²F'R²FL²U²L²B'D²BL²U²	12
3W	FRU'R'U²R'U²R²UR²URU'F'	14
4A	F²R²FLF'R²F²R'F'L'FR	12
4I	LUF'L²D²BDB'DL²F²U'F'L'	14
4V	LULR²DLD'LR²URB²R'U²	14

Last updated: February 4, 2017