C312312111111331312111133133313121111133313113313331333132212233111311   >>    C31231211111133131211113313331312111113331311331333133313221223311131   <<    C312312111111331312111133133313121111133313113313331333132212233111313   >>      C312312111111331312111133133313121111133313113313331333132212233111312   >>