C111113331333132322331333133313331333133313121111331333121111133313222221   >>    C11111333133313232233133313331333133313331312111133133312111113331322222   <<    C111113331333132322331333133313331333133313121111331333121111133313222223   >>      C111113331333132322331333133313331333133313121111331333121111133313222222   >>