C11112331312111112111133133313331333132323213331333131211331333121133321133131   >>    C1111233131211111211113313331333133313232321333133313121133133312113332113313   <<    C11112331312111112111133133313331333132323213331333131211331333121133321133133   >>      C11112331312111112111133133313331333132323213331333131211331333121133321133132   >>