C111123313121111121111331333133313331333133313331333133313221323222321   >>    C11112331312111112111133133313331333133313331333133313331322132322232   <<    C111123313121111121111331333133313331333133313331333133313221323222323   >>      C111123313121111121111331333133313331333133313331333133313221323222322   >>