C3132121111133313233121111331333133313331333133313331333131133132313223131   >>    C313212111113331323312111133133313331333133313331333133313113313231322313   <<    C3132121111133313233121111331333133313331333133313331333131133132313223133   >>      C3132121111133313233121111331333133313331333133313331333131133132313223132   >>