C3123121111113313121111331333133313223313331333131211113313331333133322131321   >>    C312312111111331312111133133313331322331333133313121111331333133313332213132   <<    C3123121111113313121111331333133313223313331333131211113313331333133322131323   >>      C3123121111113313121111331333133313223313331333131211113313331333133322131322   >>