C11112331312111112111133133313331333133313331333133313331333131211331323211131   >>    C1111233131211111211113313331333133313331333133313331333133313121133132321113   <<    C11112331312111112111133133313331333133313331333133313331333131211331323211133   >>      C11112331312111112111133133313331333133313331333133313331333131211331323211132   >>