C111123313121111121111331333133313331333133313331333132313331323222313221   >>    C11112331312111112111133133313331333133313331333133313231333132322231322   <<    C111123313121111121111331333133313331333133313331333132313331323222313223   >>      C111123313121111121111331333133313331333133313331333132313331323222313222   >>