C111113331333132322331333133313331333133313121111331333121111331313232221   >>    C11111333133313232233133313331333133313331312111133133312111133131323222   <<    C111113331333132322331333133313331333133313121111331333121111331313232223   >>      C111113331333132322331333133313331333133313121111331333121111331313232222   >>