C111123313121111121111331323133313331333132322133313332321323321   >>    C11112331312111112111133132313331333133313232213331333232132332   <<    C111123313121111121111331323133313331333132322133313332321323323   >>      C111123313121111121111331323133313331333132322133313332321323322   >>