Lines of 31.Cluster of Shark Offensive.lua from check-in 3dff221746 that are changed by the sequence of edits moving toward check-in f8a1b1a6a8:

                         1: --[[message
3dff221746 2023-04-17    2: 更新：2023-04-14
                         3: 卡数：38
                         4: 规则：大师3
                         5: 群鲨攻势
                         6: ]]
                         7: --puzzle1
                         8: Debug.SetAIName("四妹")
                         9: Debug.ReloadFieldBegin(DUEL_ATTACK_FIRST_TURN+DUEL_SIMPLE_AI+DUEL_PSEUDO_SHUFFLE,3)
                        10: Debug.SetPlayerInfo(0,1100,0,0)
                        11: Debug.SetPlayerInfo(1,51100,0,0)
                        12: 
                        13: local e0=Effect.GlobalEffect()
                        14: e0:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
                        15: e0:SetCode(EVENT_ADJUST)
                        16: e0:SetCountLimit(1)
                        17: e0:SetCondition(function(e,tp,eg,ep,ev,re,r,rp) return Duel.GetLP(0)>0 end)
                        18: e0:SetOperation(function(e,tp,eg,ep,ev,re,r,rp)
                        19: local g=Duel.SelectMatchingCard(tp,Card.IsAbleToHand,tp,LOCATION_DECK,0,6,6,nil)
                        20: if g:GetCount()>0 then
                        21:   Duel.SendtoHand(g,nil,REASON_RULE)
                        22: end end)
                        23: Duel.RegisterEffect(e0,0)
                        24: 
                        25: Debug.AddCard(25067275,0,0,LOCATION_DECK,0,POS_FACEDOWN)
                        26: Debug.AddCard(67675300,0,0,LOCATION_DECK,0,POS_FACEDOWN)
                        27: Debug.AddCard(9952083,0,0,LOCATION_DECK,0,POS_FACEDOWN)
                        28: Debug.AddCard(43138260,0,0,LOCATION_DECK,0,POS_FACEDOWN)
                        29: Debug.AddCard(56747793,0,0,LOCATION_DECK,0,POS_FACEDOWN)
                        30: Debug.AddCard(40916023,0,0,LOCATION_DECK,0,POS_FACEDOWN)
                        31: Debug.AddCard(3972721,0,0,LOCATION_DECK,0,POS_FACEDOWN)
                        32: Debug.AddCard(15893860,0,0,LOCATION_DECK,0,POS_FACEDOWN)
                        33: Debug.AddCard(72355441,0,0,LOCATION_DECK,0,POS_FACEDOWN)
                        34: Debug.AddCard(64319467,0,0,LOCATION_DECK,0,POS_FACEDOWN)
                        35: Debug.AddCard(1845204,0,0,LOCATION_DECK,0,POS_FACEDOWN)
                        36: Debug.AddCard(96947648,0,0,LOCATION_DECK,0,POS_FACEDOWN)
                        37: Debug.AddCard(26400609,0,0,LOCATION_DECK,0,POS_FACEDOWN)
                        38: Debug.AddCard(90303176,0,0,LOCATION_DECK,0,POS_FACEDOWN)
                        39: --~ Debug.AddCard(9952083,0,0,LOCATION_DECK,0,POS_FACEDOWN)
                        40: --~ Debug.AddCard(43138260,0,0,LOCATION_DECK,0,POS_FACEDOWN)
                        41: Debug.AddCard(72355441,0,0,LOCATION_DECK,0,POS_FACEDOWN)
                        42: --~ Debug.AddCard(64319467,0,0,LOCATION_DECK,0,POS_FACEDOWN)
                        43: --~ Debug.AddCard(1845204,0,0,LOCATION_DECK,0,POS_FACEDOWN)
                        44: Debug.AddCard(62023839,0,0,LOCATION_GRAVE,0,POS_FACEDOWN)
                        45: Debug.AddCard(51282878,0,0,LOCATION_GRAVE,0,POS_FACEDOWN)
                        46: Debug.AddCard(27174286,0,0,LOCATION_SZONE,1,POS_FACEDOWN)
                        47: Debug.AddCard(26708437,0,0,LOCATION_SZONE,2,POS_FACEDOWN)
                        48: Debug.AddCard(7092142,0,0,LOCATION_SZONE,3,POS_FACEDOWN)
                        49: Debug.AddCard(21044178,0,0,LOCATION_EXTRA,0,POS_FACEDOWN)
                        50: Debug.AddCard(21044178,0,0,LOCATION_EXTRA,0,POS_FACEDOWN)
                        51: Debug.AddCard(71594310,0,0,LOCATION_EXTRA,0,POS_FACEDOWN)
                        52: Debug.AddCard(65676461,0,0,LOCATION_EXTRA,0,POS_FACEDOWN)
                        53: Debug.AddCard(65676461,0,0,LOCATION_EXTRA,0,POS_FACEDOWN)
                        54: Debug.AddCard(49221191,0,0,LOCATION_EXTRA,0,POS_FACEDOWN)
                        55: Debug.AddCard(52687916,0,0,LOCATION_EXTRA,0,POS_FACEDOWN)
                        56: Debug.AddCard(80516007,0,0,LOCATION_EXTRA,0,POS_FACEDOWN)
                        57: Debug.AddCard(12275533,1,1,LOCATION_DECK,0,POS_FACEDOWN)
                        58: Debug.AddCard(82593786,1,1,LOCATION_HAND,0,POS_FACEDOWN)
                        59: Debug.AddCard(30042158,1,1,LOCATION_GRAVE,0,POS_FACEDOWN)
                        60: Debug.AddCard(39823987,1,1,LOCATION_GRAVE,0,POS_FACEDOWN,true)
                        61: Debug.AddCard(44155002,1,1,LOCATION_MZONE,0,POS_FACEUP_ATTACK,true)
                        62: Debug.AddCard(46986414,1,1,LOCATION_MZONE,1,POS_FACEUP_ATTACK,true)
                        63: Debug.AddCard(66818682,1,1,LOCATION_MZONE,2,POS_FACEUP_ATTACK,true)
                        64: Debug.AddCard(93353691,1,1,LOCATION_MZONE,3,POS_FACEUP_ATTACK,true)
                        65: Debug.AddCard(44508094,1,1,LOCATION_MZONE,4,POS_FACEUP_ATTACK,true)
                        66: Debug.AddCard(80887714,1,1,LOCATION_SZONE,0,POS_FACEDOWN)
                        67: Debug.AddCard(20721759,1,1,LOCATION_SZONE,1,POS_FACEDOWN)
                        68: Debug.AddCard(96008713,1,1,LOCATION_SZONE,3,POS_FACEDOWN)
                        69: Debug.AddCard(75105429,1,1,LOCATION_SZONE,4,POS_FACEDOWN)
                        70: Debug.ReloadFieldEnd()
                        71: --~ Debug.ShowHint("在这个回合取得胜利！")
                        72: 
                        73: Debug.ShowHint("从卡组中选择六张卡加入手卡！")
                        74: aux.BeginPuzzle()
                        75: local e999=Effect.GlobalEffect()
                        76: e999:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
                        77: e999:SetCode(EVENT_DAMAGE)
                        78: e999:SetCondition(function(e,tp,eg,ep,ev,re,r,rp) return Duel.GetLP(1)<=0 end)
                        79: e999:SetOperation(function(e,tp,eg,ep,ev,re,r,rp)
                        80: Debug.ShowHint("残局群181175613") end)
                        81: Duel.RegisterEffect(e999,0)