C111123313121111121111331333133313331333133313221333133313331333133322331313231   >>    C11112331312111112111133133313331333133313331322133313331333133313332233131323   <<    C111123313121111121111331333133313331333133313221333133313331333133322331313233   >>      C111123313121111121111331333133313331333133313221333133313331333133322331313232   >>