C3132121111133313233121111331333133313331333133313331333131133132313221211   >>    C313212111113331323312111133133313331333133313331333133313113313231322121   <<    C3132121111133313233121111331333133313331333133313331333131133132313221213   >>      C3132121111133313233121111331333133313331333133313331333131133132313221212   >>