C3132121111133313233121111331333133313331333133313331333131123313231131211   >>    C313212111113331323312111133133313331333133313331333133313112331323113121   <<    C3132121111133313233121111331333133313331333133313331333131123313231131213   >>      C3132121111133313233121111331333133313331333133313331333131123313231131212   >>