C111123313121111121111331333133313331333131322113121111331322133313221   >>    C11112331312111112111133133313331333133313132211312111133132213331322   <<    C111123313121111121111331333133313331333131322113121111331322133313223   >>      C111123313121111121111331333133313331333131322113121111331322133313222   >>