C111123313121111121111331333133313331333131233133313332333132213221   >>    C11112331312111112111133133313331333133313123313331333233313221322   <<    C111123313121111121111331333133313331333131233133313332333132213223   >>      C111123313121111121111331333133313331333131233133313332333132213222   >>