C11112331312111112111133133313331333132313331323133313331333132322332321   >>    C1111233131211111211113313331333133313231333132313331333133313232233232   <<    C11112331312111112111133133313331333132313331323133313331333132322332323   >>      C11112331312111112111133133313331333132313331323133313331333132322332322   >>