C111123313121111121111331333133313331333132232233131211111221323233221   >>    C11112331312111112111133133313331333133313223223313121111122132323322   <<    C111123313121111121111331333133313331333132232233131211111221323233223   >>      C111123313121111121111331333133313331333132232233131211111221323233222   >>