C111113331333132322331333133313331333133313121111331333121111331333133112122311   >>    C11111333133313232233133313331333133313331312111133133312111133133313311212231   <<    C111113331333132322331333133313331333133313121111331333121111331333133112122313   >>      C111113331333132322331333133313331333133313121111331333121111331333133112122312   >>