How to put together a third order cube with a small fish?

When there is a fish head, the bottom face down, the left thumb presses the lower left corner of the four pieces of the face towards their own face, the right thumb presses the head of the fish (with a double fish head by one of the fish head, no fish head arbitrarily pressed by a), turn the right hand, the next left left left on the left left left up, more than a couple of times with the left up.

The Rubik's Cube was invented by Hungarian architecture professor and sculptor Erno Rubik in 1974 as a mechanical puzzle toy, and was most popular in the 1980s, without decline. As of January 2009, more than 350 million Rubik's Cubes have been sold worldwide. The single world record for the third-order Rubik's Cube is 3.47 seconds, held by China's Du Yusheng, and the average world record is 5.48 seconds, held by China's Xu Ruihang.

Beginners learn the layer-first method, usually the second, which is divided into the following seven stages:

Stage 1: Recovering the white bottom cross.

Stage 2: Complete recovery of the white base.

Phase 3: Recover the 4 prongs in the middle of the cube.

Phase 4: Construct the top yellow cross.

Phase 5: Construct the top yellow full face.

Stage 6: Adjusting the position of the top corner blocks.

Phase 7: Adjust the position of the top prongs to recover the cube.