C1111133313331323223313331333133313331333131211113313331211113313112131211   >>    C111113331333132322331333133313331333133313121111331333121111331311213121   <<    C1111133313331323223313331333133313331333131211113313331211113313112131213   >>      C1111133313331323223313331333133313331333131211113313331211113313112131212   >>