1、首先还原底层角块:这一步要将底层的4个角块都复原。
![](https://iknow-pic.cdn.bcebos.com/3ac79f3df8dcd10041f47541628b4710b9122f62?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、白色向右就用算法1,先转右面,R U R2 R U R2。
![](https://iknow-pic.cdn.bcebos.com/c9fcc3cec3fdfc0396136ed8c43f8794a4c22662?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、白色向前就用算法2,先转正面,F2 U2 F U F2 U2 F。
![](https://iknow-pic.cdn.bcebos.com/cc11728b4710b912c8aa7b9ed3fdfc0392452262?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、重复做4个角块,就可以做好底层了。
![](https://iknow-pic.cdn.bcebos.com/7e3e6709c93d70cfcc92276de8dcd100baa12b62?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、然后还原顶部颜色:这一步要还原4个角块顶面的颜色。
![](https://iknow-pic.cdn.bcebos.com/6609c93d70cf3bc76768408cc100baa1cd112a62?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、情况6是先用公式2-2,其他几种情况都是先用公式2-1的,其他情况都先用一次公式2-1。
![](https://iknow-pic.cdn.bcebos.com/71cf3bc79f3df8dc2b5502f1dd11728b47102862?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
7、接着还原顶层角块:如果有类似这样的情况,就把同色的角块旋转到正对着自己的位置。
![](https://iknow-pic.cdn.bcebos.com/a686c9177f3e67093c68c89f2bc79f3df8dc5562?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
8、再用这个算法:R B2 R F2 R2 B R F2 R2,就可以完成还原了。
![](https://iknow-pic.cdn.bcebos.com/738b4710b912c8fcc2987badec039245d6882162?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)