How many levels are there for two people in a row?

Two consecutive ***7 chapters, 37 small pass.

The first chapter is called "Wopeng", which contains five levels: preface, headshot, dying, abyss and opening power.

The second chapter is called "Big Book", which has five small passes, namely, fresh air, capturing prisoners, unforgettable, weeding out the roots, and staying away from the hubbub.

The third chapter is Ross's room, Xiaoguan 10. They are pillow castles, space travel, hopscotch, train stations, dinosaur parks, greetings from pirates, peerless performances, long, long ago, dungeon explorers and queens.

The fourth chapter is the cuckoo clock, which has three small passes: the door of time, the wind-up and the past.

The fifth chapter is snowball, which has four levels: warm-up exercise, winter town, world under the ice and slope sliding.

The sixth chapter is the garden, including five levels: gardener, weeding, trespassing, frog pond and suffering.

The seventh chapter is the attic, including five levels: stage setting, rehearsal, symphony, debut and finale.