C111123313121111121111331333133313331331121111133313331333133313331322132323321   >>    C11112331312111112111133133313331333133112111113331333133313331333132213232332   <<    C111123313121111121111331333133313331331121111133313331333133313331322132323323   >>      C111123313121111121111331333133313331331121111133313331333133313331322132323322   >>