C111123313121111121111331333133313331333131121133133313331333133313232223133321   >>    C11112331312111112111133133313331333133313112113313331333133313331323222313332   <<    C111123313121111121111331333133313331333131121133133313331333133313232223133323   >>      C111123313121111121111331333133313331333131121133133313331333133313232223133322   >>