Does anyone know the current challenge rotation. Cause I have a list but I don't know if this current rotation is a 54 week rotation

This is the list. Week 1: Gaslight/Batman Week 2: Red Son/Green Lantern Week 3: Injustice 2/Superman Week 4: The Arkham Knight Week 5: Prime/Aquamarine Week 6: Blackest Night/Batman Week 7: Antimatter/Sinestro Week 8: Dawn Of Justice/Wonder Woman Week 9: Mortal Kombat X/Scorpion Week 10: Arkham Knight/Batgirl Week 11: Zatanna Week 12: New 52/Superman Week 13: Prime/Darkseid Week 14: Earth 2/Hawkgirl Week 15: Yellow Lantern/Hal Jordan Week 16: Prime/Martian Manhunter Week 17: Prime/Batgirl Week 18: Godfall/Superman Week 19: Mortal Kombat/Scorpion Week 20: Regime/Hawkgirl Week 21: Injustice 2/Aquamarine Week 22: Luchador/Bane Week 23: Blackest Night/Hawkgirl Week 24: Red Lantern/Hal Jordan Week 25: Batman Ninja/Lord Joker Week 26: Bounty Hunter/Lobo Week 27: Arkham/Killer Kroc Week 28: Prime/Killer Frost Week 29: Kahndoq/Black Adam Week 30: Suicide Squad/Deadshot Week 31: Jessica Cruz/Green Lantern Week 32: Suicide Squad/Harley Quinn Week 33: Dawn Of Justice/Superman Week 34: Animated/Batman Beyond Week 35: Prime/Raven Week 36: Earth 2/Solomon Grundy Week 37: Static Week 38: Flashpoint/Batman Week 39: John Stewart/Green Lantern Week 40: Earth 2/The Flash Week 41: Apokolips/Darkseid Week 42: Arkham Knight/Batman Week 43: Blackest Night/Martian Manhunter Week 44: Arkham Origins/Joker Week 45: Rebirth/Arrow Week 46: Teen Titans/Raven Week 47: New 52/Wonder Woman Week 48: Suicide Squad/Joker Week 49: Ame-Comi/Catwoman Week 50: Arkham Knight/Harley Quinn Week 51: Arkham Origins/Bane Week 52: Batman Ninja/Batman Week 53: Rebirth/Raven Week 54: Klassic/Scorpion I'm not for sure but as of me writing this we are on Week 25 who is Batman Ninja/Lord Joker. And for the last 5 weeks this list has been right but I would like to make sure due to some of these Characters I am needing and would like to know if this is the right list.