C111123313121111121111331333133313331333133313331333133112111113331311113221   >>    C11112331312111112111133133313331333133313331333133313311211111333131111322   <<    C111123313121111121111331333133313331333133313331333133112111113331311113223   >>      C111123313121111121111331333133313331333133313331333133112111113331311113222   >>