Lines of single/X-LV-21.lua from check-in c8322ffe62 that are changed by the sequence of edits moving toward check-in f2b41ba2f9:

                         1: --[[message
c8322ffe62 2024-07-03    2: 维护：2024-07-03
c8322ffe62 2024-07-03    3: 简语：新手教学
                         4: ]]
                         5: Debug.SetAIName("QQ群181175613")
c8322ffe62 2024-07-03    6: Debug.ReloadFieldBegin(DUEL_ATTACK_FIRST_TURN + DUEL_SIMPLE_AI, 4)
                         7: Debug.SetPlayerInfo(0, 8000, 0, 0)
                         8: Debug.SetPlayerInfo(1, 500, 0, 0)
                         9: 
                        10: local g02 = Debug.AddCard(46986414, 0, 0, LOCATION_MZONE, 2, POS_FACEDOWN_DEFENSE)
                        11: local g12 = Debug.AddCard(59380081, 1, 1, LOCATION_MZONE, 2, POS_FACEUP_ATTACK)
                        12: local m01 = Debug.AddCard(93747864, 0, 0, LOCATION_SZONE, 1, POS_FACEDOWN)
c8322ffe62 2024-07-03   13: --~ local m02=Debug.AddCard(52503575,0,0,LOCATION_SZONE,2,POS_FACEDOWN)
                        14: Debug.ReloadFieldEnd()
                        15: aux.BeginPuzzle()
                        16: Debug.ShowHint("尝试一下反转召唤+反转")