C11112331312111112111133133313331322133313112121111331323133313232131   >>    C1111233131211111211113313331333132213331311212111133132313331323213   <<    C11112331312111112111133133313331322133313112121111331323133313232133   >>      C11112331312111112111133133313331322133313112121111331323133313232132   >>