C111113331333132322331333133313331333133313121111331333121111331333133312111311   >>    C11111333133313232233133313331333133313331312111133133312111133133313331211131   <<    C111113331333132322331333133313331333133313121111331333121111331333133312111313   >>      C111113331333132322331333133313331333133313121111331333121111331333133312111312   >>