C111123313121111121111331333133313331323132333133313121111331333132322133321   >>    C11112331312111112111133133313331333132313233313331312111133133313232213332   <<    C111123313121111121111331333133313331323132333133313121111331333132322133323   >>      C111123313121111121111331333133313331323132333133313121111331333132322133322   >>