Capitalized letters such as R and U turn to one side, lowercase letters such as R and U turn to two layers at the same time, and turn counterclockwise with'. X, y and z are the whole Rubik's cube. How to turn them a little? X, y and z are horizontal axis, vertical axis and front and rear axis respectively. The marks X, Y and Z are 90 clockwise around these three axes respectively, while' is counterclockwise.

Don't think about it yourself when you meet it. Just look at the animation. It's better to get to know each other emotionally

In addition, the brackets () indicate that these actions are a group and can be completed together very coherently and conveniently. () There is a 2 outside the bracket, which means that the steps in the bracket have been done twice. If you don't understand, you can watch the animation.

Note that the front and back directions of E and D are the same, so E' is clockwise from top to bottom. M and l are in the same direction.

See the figure below for details.

/iknow-pic . cdn . BCE Bos . com/ 1f 178 a 82 b 90 14a 90753 c 06 ABA 57739 12b 3 1 beea 2 " target = " _ blank " title = " " class = " ikqb _ img _ alink " >/iknow-pic . cdn . BCE Bos . com/ 1f 178 a82b 90 14a 90753 c 06 ABA 57739 12b 3 1 beea 2？ x-BCE-process = image % 2f resize % 2Cm _ lfit % 2Cw _ 600% 2Ch _ 800% 2c limit _ 1% 2f quality % 2Cq _ 85% 2f format % 2Cf _ auto " esrc = "/ 1f 178 a82b 90 14a 90753 c 06 ABA 5739 12b 365438+

/iknow-pic . cdn . BCE Bos . com/48540923 DD 54564 EB 009 a 42 fbf de 9 c 82d 1584 fb3 " target = " _ blank " title = " " class = " ikqb _ img _ alink " & gt； /iknow-pic . cdn . BCE Bos . com/48540923 DD 54564 EB 009 a 42 fbf de 9 c 82d 1584 fb3？ x-BCE-process = image % 2f resize % 2Cm _ lfit % 2Cw _ 600% 2Ch _ 800% 2c limit _ 1% 2f quality % 2Cq _ 85% 2f format % 2Cf _ auto " esrc = "/ 48540923 DD 54564 EB 009 a 42 fbf de 9 c 82d 1584 FB 3 "/>

/iknow-pic.cdn.bcebos.com/BBA1CD1728b 4710ff45bdfdacec3fdc0323b 9 "target =" _ blank "title =" "class = /iknow-pic . cdn . BCE Bos . com/BBA 1cd 1 1728 b 47 10ff 45 bddacfcec 3 fdfc 0323 b 9？ x-BCE-process = image % 2f resize % 2Cm _ lfit % 2Cw _ 600% 2Ch _ 800% 2c limit _ 1% 2f quality % 2Cq _ 85% 2f format % 2Cf _ auto " esrc = "/ BBA 1cd 1 1728 b 47 10 ff 45 bddacfcec 3 fdfc 0323 b 9 "/>

/iknow-pic . cdn . BCE Bos . com/C2 fdfc 039245d 6889992 F2 B2 A8 c 27d 1ed 2 1b 24 1 7 " target = " _ blank " title = " " class = " ikqb _ img _ alink " >/iknow-pic . cdn . BCE Bos . com/C2 fdfc 039245d 6889992 F2 B2 A8 c 27d 1ed 2 1b 24 17？ x-BCE-process = image % 2f resize % 2Cm _ lfit % 2Cw _ 600% 2Ch _ 800% 2c limit _ 1% 2f quality % 2Cq _ 85% 2f format % 2Cf _ auto " esrc = "/ C2 fdfc 039245d 6889992 F2 B2 A8 c 27d 1ed 2 1b 24 17 "/>